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Demystifying Adaptive Cruise Control: A Comprehensive Guide

As an auto tech expert and self-driving car enthusiast, I often get asked about Adaptive Cruise Control (ACC) and how exactly it works to automatically adjust your car‘s speed. ACC is one of the coolest semi-autonomous technologies available today, making highway drives safer and less stressful. But it‘s also complex under the hood!

In this comprehensive guide, I‘ll give you an in-depth look at ACC – how it works, different types, key benefits, limitations, and what the future holds for adaptive cruise and autonomous driving.

ACC 101 – Adjusting Speed to the Car in Front

ACC uses radar, laser sensors or cameras to monitor the vehicle ahead and adjust your speed accordingly to maintain a preset following distance. If the vehicle in front slows, so does your car – automatically! ACC reduces the constant manual braking and acceleration required in heavy traffic.

Here‘s a quick ACC capability comparison:

ACC delivers a major safety and convenience upgrade from old cruise control technology first introduced in the 1950s. Let‘s look under the hood at how ACC performs this speed adaptation trickery…

ACC Sensor Technology – Radar vs. Laser vs. Camera

ACC systems rely on forward-facing sensors to detect the speed and distance of vehicles ahead. Most ACC systems use radar (radio waves), while some premium vehicles use laser sensors or cameras paired with image processing. Here‘s how each sensor approach works:

Radar Adaptive Cruise Control

  • Uses radio waves in the 24 GHz or 77 GHz frequency bands
  • Excellent range (160m+) and unaffected by weather
  • Distributed beam provides wide field of view
  • Cannot identify shape and classification of objects
  • Overall the most robust and widely adopted ACC technology

Laser Adaptive Cruise Control

  • LIDAR (Light Detection and Ranging) laser sensors
  • Very high resolution and accuracy
  • Narrow, focused beam with longer range than radar
  • Performance impacted by weather and dirt
  • Limited adoption due to higher cost

Camera-Based Adaptive Cruise Control

  • Uses front-facing camera and video processing
  • Can visually identify vehicles braking ahead
  • Shorter effective range with narrow field of view
  • Limited use for ACC, better for lane centering

Radar ACC is the most common since it combines long range, wide scanning angle, with reasonable cost. However, some automakers like Toyota and BMW use both radar and cameras to complement each other.

Real World ACC Performance

In optimal highway conditions, ACC works exceptionally well to adapt your vehicle‘s speed based on traffic ahead. However, ACC has limitations that require driver supervision:

Following distance – Most systems allow setting 1,2 or 3 second gap to car ahead. Younger drivers tend to prefer the risky 1 second gap!

Cut-ins – When a vehicle changes lane in front, ACC response can be delayed

Curves & hills – Around blind turns or over hills, performance drops as radar line-of-sight is lost

Bad weather – Heavy rain, snow, and fog degrade radar and laser sensor effectiveness

Bright light – Low sun angles and bright reflections can overwhelm camera sensors

Small objects – Most ACC systems have trouble consistently detecting motorcycles, bicycles, pedestrians

While ACC has its limits, it‘s remarkably helpful day-to-day in reducing driver burden. But expect some occasionally quirky behavior so you‘re not caught off guard!

ACC Availability Across Vehicle Makes

ACC technology premiered in 1992, but only became popular on luxury cars in the early 2000s. ACC is now commonplace across all major auto brands:

And it‘s a standard feature on most luxury vehicles:

With so many automakers offering ACC, it‘s now an expected convenience feature for car buyers.

Comparing OEM Adaptive Cruise Systems

While ACC capabilities are similar across brands, there are some notable differences between automaker systems:

Mercedes-Benz Distronic

  • Industry-leading ACC technology since introduced in 1998
  • Uses long-range 77 GHz radar + stereo cameras
  • Capable of full stop-and-go operation
  • Automatically adjusts speed for curves and junctions

GM Super Cruise

  • Camera + radar ACC combined with precision GPS mapping
  • Enables hands-free driving on limited access highways
  • Driver attention monitoring via face tracking camera

Nissan ProPilot Assist

  • Budget ACC + lane centering system
  • Smooth performance but more limited capability
  • Delayed responses compared to premium systems

Toyota Dynamic Radar Cruise

  • Lower speed operation down to 25mph
  • Conservative speed adjustment when following
  • Prone to leaving large gaps in traffic

Overall Mercedes sets the benchmark for ACC performance and capability in my opinion, with German automakers continuing to lead the way.

Adding ACC to Older Vehicles

You don‘t need to buy a new car to experience ACC convenience. There are aftermarket ACC systems available to add radar-based speed adaptation to older vehicles:

Comma Two : $1100 standalone ACC system powered by camera and radar sensors. Installs by connecting directly to vehicle CAN bus. Impressive capabilities given aftermarket nature.

Autocruise : $2500 ACC system requiring professional installation. Uses front camera and radar sensors. Provides ACC + lane centering.

RoadMate : $1800 radar-only ACC system. Easier self-install with OBDII plug-in. But limited braking capability.

Aftermarket systems provide a taste of ACC and advanced driver assist capabilities. But overall, OEM automaker ACC integration delivers a smoother and more reliable driver experience.

The Road to Fully Autonomous Driving

A key benefit of ACC systems is paving the way for fully autonomous self-driving vehicle (SDV) technology. The cruise control computers, radars, and cameras ACC relies on provide the foundational sensing and actuation building blocks for SDVs.

Here are some of the key ACC enhancements feeding into full autonomy:

Improved camera imaging – Higher resolution, HDR, night vision, wider field of view

Sensor fusion – Combining radar, camera and ultrasounds for 360 degree coverage

Tighter vehicle integration – Braking and steering authority expanded beyond ACC

Detailed 3D mapping – Ultra-precise maps enable self-driving without relying solely on sensors

V2X communication – Sharing intent and sensor data with nearby vehicles, infrastructure

Redundant systems – Backup sensors, computers, and actuators to maximize safety

The big challenge is mastering full self-driving in complex urban environments. While ACC handles long boring highway drives, crowded city streets require an entirely new level of autonomous driving expertise.

Optimizing ACC for the Future

As an auto tech expert, I see great potential ahead for ACC technology. But there are also improvements I‘d love to see:

Quicker reactions – Faster stopping when vehicle cuts in front

All speed operation – ACC availability even in start-stop traffic

Improved object detection – Identifying pedestrians, cyclists, animals

Left/right radar – Side-facing sensors to monitor blind spots

Personalization – Driver tailored ACC preferences and profiles

Intuitive controls – Simplifying overly complex ACC settings menus

Seamless transitions – Handoff between ACC, lane centering and parking systems

Driver monitoring – Alerts for distraction and loss of attention

With future refinement, ACC can move beyond just being a convenience feature and provide truly safe semi-autonomous driving.

Challenges Facing Consumer ACC Adoption

Despite the benefits of ACC, there are still barriers to mass consumer adoption:

Cost – Only available on higher trim models outside budget for many car buyers

Trust – Drivers underestimate capabilities and effectiveness of ACC

Complexity – Many settings overwhelm drivers new to the technology

Reliability – Sensor degradation and performance concerns over vehicle lifetime

Education – Lack of ACC training for consumers

Addressing these challenges will be key for ACC to transition from a luxury feature to a standard capability that drivers actually use day-to-day.

Testing and Validating Adaptive Cruise Systems

Before ACC systems hit the road, automakers put them through rigorous testing to ensure safety:

Hardware-in-the-Loop – Validating ACC sensor + ECU integration

Test track assessment – Repeated runs observing ACC capability in action

Scenario testing – Emulating cut-ins, curved roads, weather effects

Naturalistic driving – Recording ACC use in real uncontrolled driving

Simulation – Modeling ACC components and logic virtually

Public road testing – Validation in early prototype vehicles

Safety audits – Third-party review of ACC functionality

Months of testing provides confidence in ACC operation. But it‘s impossible to evaluate every edge case scenario an ACC system may encounter once on the road.

Insider ACC Troubleshooting Tips

To dig deeper into ACC, I connected with Sam who works on ACC radar sensor calibration at General Motors. He shared some pro tips on troubleshooting ACC issues:

"One problem we see is radar misalignment that prevents ACC from detecting vehicles ahead accurately. This can occur if the radar or front bumper gets even slightly shifted, say due to a minor collision. I recommend first visually inspecting the radar position and realigning if necessary. Also watch out for mud or snow buildup around the sensor which can block radio waves."
"Software bugs are another ACC gremlin, like incorrect gap distance or delayed braking. But these can often be remedied with an ECU update at the dealership. And make sure the windshield in front of the camera is squeaky clean for camera-based systems! Dirty glass is an easy pitfall."

So when ACC acts up, check for sensor obstructions, misalignment, and also ask your dealer to verify the latest software is installed.

I hope this ACC deep dive has helped shed light on how this clever technology works and what the future holds. Let me know if you have any other ACC questions!

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Adaptive Cruise Control: What is ACC in ADAS?

  • June 3, 2021

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Table of Contents

What is ACC in ADAS?

When it comes to cars, ACC stands for Adaptive Cruise Control. In a Consumer Reports survey , 85 percent of drivers with Adaptive Cruise Control (ACC) on their vehicles said they were very satisfied with it. What’s more, 19 percent said their ACC system helped to avoid a crash.

Standard cruise control has been around since the 1950s . Adaptive cruise control has been in development since the 1990s . Mercedes was the first automaker to bring ACC to the U.S. market in 1999 . Twenty years later, automakers are still working to improve their cruise control offerings. In the meantime, ACC technology has become one of the building blocks of autonomous driving.

In this article, we will explain adaptive cruise control and how it works, provide examples of ACC features in ADAS packages, and explain the importance of adaptive cruise control calibration.

What is Adaptive Cruise Control?

Adaptive cruise control or Active Cruise Control (ACC) is an advanced driver assistance system (ADAS) that automatically adjusts a vehicle’s speed when there are slow-moving vehicles ahead, with the aim of maintaining a safe following distance. When the road ahead is clear, ACC automatically accelerates to your pre-set speed. Adaptive cruise control is ideal for highway speeds.

ACC is a major component and precursor of fully autonomous vehicles. According to SAE , Driving Automation Level 1 driver support features provide steering OR brake/acceleration to the driver while the jump to Level 2 requires features that provide both steering AND brake/acceleration to the driver. On its own, ACC is a Level 1, but when combined with another driver assist feature that steers, your vehicle reaches Level 2 on the Driving Automation scale – a step closer to fully autonomous driving .

As a foundation of autonomous driving, ACC has the capability of reducing driver stress and radically improving driver safety. A study from the Highway Loss Data Institute studied insurance claims data from 2013-2017 BMW vehicles to see how ADAS affected collision, damage, and injury rates. The BMW Driving Assistance package added ACC to the following ADAS: Forward Collision Warning , Lane Departure Warning , Front Automatic Emergency Braking . With the addition of ACC, this package reduced the rates of property damage by 27 percent and bodily injury claim rates by 37 percent.

How does Adaptive Cruise Control work?

Just as with traditional cruise control, the adaptive cruise control system requires drivers to choose their preferred speed. Next, ACC requires drivers to set their preferred following distance from the vehicle’s pre-set options. Many have close, medium, and far selections to toggle between.

Sensors Used in Adaptive Cruise Control

Vehicles with adaptive cruise control use ACC sensor data to tell your car’s speed, distance from other vehicles, and the speed of vehicles ahead of you. There are many types of adaptive cruise control technology. The following types of sensors have all been used for ACC:

  • Laser (Lidar)

Most (but not all) current forms of this ADAS use radar as their main source of information. A radar sensor mounted in the front of the vehicle is used to analyze the road ahead. It does this by emitting radio waves and measuring how long they take to return to the ACC sensor. A few internal calculations and your vehicle can tell the car’s distance and speed. Data from the radar distance sensors and the vehicle speed sensors are used to adjust your speed and keep your car a set distance from the one ahead of you.

ACC System Versions and Commonly Bundled ADAS

Most automakers have their own version of adaptive cruise control. Not everyone uses the same names for their ACC system. Here are a few industry terms that are all different names for ACC:

  • Dynamic cruise control
  • Intelligent cruise control
  • Radar cruise control
  • Radar adaptive cruise control
  • Dynamic laser cruise control
  • Autonomous cruise control
  • Smart cruise control
  • Dynamic radar cruise control

ACC with Stop & Go, Traffic Jam

Beyond the similar naming, there are several different features that adaptive cruise control is often bundled with to provide sensor fusion. One example of this is a feature called ACC with Stop and Go or ACC with Traffic Jam Assist. This adds the ability to come to a complete stop via automatic braking and then re-accelerate to the car’s set speed as traffic moves. All the while, data from sensors is used to keep a set, safe distance from cars ahead when you encounter heavy traffic.

Because it’s not an autonomous car, those with stop and go capabilities will only “go” again within three seconds if traffic flow allows. If it’s longer than three seconds, driver action is needed to re-engage the system.

ACC + Forward Collision Warning & Automatic Braking

Forward Collision Warning and Automatic Emergency Braking (AEB) advanced driver assistance systems are often combined with ACC to provide audible alerts, instrument panel alerts, and tactile warnings of a forward collision risk, then automatic braking to prevent or mitigate damage from a collision.

ACC + Lane Centering

Adaptive Cruise Control works well with others. As previously mentioned, when adaptive cruise control is combined with an ADAS with steering capabilities like lane centering and proactive lane keeping assist systems, your car is considered a Level 2 on the SAE autonomous driving scale — meaning that the vehicle can accelerate, decelerate, and steer on its own — under very specific conditions, including initiation speed and weather. While it’s a step up in terms of driving automation, for safety, a human driver is still required to supervise constantly, including steering, braking, or accelerating.

ACC + GPS or Traffic Sign Recognition

Some ACC systems offer advanced traffic sign recognition , while others utilize GPS speed limit data. These optional ACC features help to combat the use of ACC technology to speed.

4 Examples of Adaptive Cruise Control

There are many different flavors of ACC. Names, tech, and bundled features make the automotive landscape — dotted with endless features, diverse names, and function variations — a bit tricky to navigate. To help you recognize ACC features, here are four automaker examples.

Ford Adaptive Cruise Control

Ford is one example of an automaker with adaptive cruise control. Here’s how Ford’s describes its system and capabilities:

“Available on select Ford vehicles is a series of Adaptive Cruise Control (ACC) features employing advanced radar and camera technology. ACC lets you set a cruising speed and distance from the vehicle ahead of you. When it slows down, you automatically do too; when traffic picks back up, you resume your preset speed and distance. Then comes ACC with Stop-and-Go, which enables you to come to a complete stop when the vehicle ahead stops. Now add Lane Centering, which scans the lane markings to help you stay in your lane if the system detects you’re drifting out of it. And that’s not all. Now there’s Intelligent Adaptive Cruise Control, which includes all of these features plus new Speed Sign Recognition that can automatically adjust the set speed of your vehicle to the posted speed limit.”

Honda Adaptive Cruise Control (ACC) with Low-Speed Follow

In the Honda Sensing ADAS package, the automaker offers ACC on many 2021 models with what it calls Low Speed Follow. Here’s how Honda describes it :

“Cruising on the open highway has never been easier! Honda’s Adaptive Cruise Control (ACC) with Low-Speed Follow lets you set your cruise speed and interval behind a vehicle detected ahead, and then maintains that interval by braking your vehicle or applying the throttle.  And the Low-Speed Follow function can bring your vehicle to a complete stop when a vehicle detected ahead slows to a stop, and it lets you resume operation by pressing a button or the accelerator.”

Hyundai Smart Cruise control (SCC) with Stop & Go

Hyundai offers adaptive cruise control, including on the Santa Fe. Here’s how the automaker describes it :

“While traveling at a speed set by you, it uses radar to maintain a safe distance from the car ahead. When the system slows the vehicle to a stop, it will reactivate if the vehicle in front moves within 3 seconds.”

Hyundai also offers Highway Driving Assist that works together with Smart Cruise Control. Here’s how Hyundai describes this feature :

“Your “co-pilot” for highway driving, when actively engaged with Smart Cruise Control or Lane Following Assist, this smart convenience automatically helps keep you centered in your lane and traveling at a safe distance behind the car ahead. Not only that, it also can keep you driving at the right speeds, automatically setting your pace based on GPS and highway data.”

Subaru EyeSight Adaptive Cruise Control

As part of Subaru’s Eyesight Driver Assist Technology Package, ACC is standard on many of the brand’s 2021 models and optional on the rest. It uses dual forward-facing color cameras mounted near the rearview mirror. Here’s how Subaru describes its ACC system in a promotional video :

“With adaptive cruise control, eyesight can help you stay with the flow of traffic. When you set cruise control, you can select from up to four present following distances. EyeSight watches ahead and if it detects traffic is slowing, adaptive cruise control adjusts your speed accordingly to keep your selected distance. Once traffic starts moving faster, it can automatically accelerate back up to your set speed. It can even work in stop-and-go traffic.

For some, it’s less worry about adjusting cruise control. For others, it’s like having an extra set of eyes on the road.”

Adaptive Cruise Control Limitations

Drivers should know that they are responsible for what happens when they are behind the wheel. Every company makes sure to include an asterisk and notice that drivers are still needing to be actively engaged in driving. Some drivers are using ACC to speed . A study of 40 drivers by the Insurance Institute for Highway Safety (IIHS) found that they were more likely to speed when equipped with ACC.

ACC works well in clear day and night driving, and in light weather. However, if there is fog, heavy rain, or snow, it won’t work. Additionally, if dirt, snow, or ice are on the sensors, they won’t work. ACC also has trouble on winding roads.

With or without ACC, it’s important to always leave more space during poor driving conditions, including inclement weather.

Adaptive Cruise Control Calibration

ACC is one of the most common ADAS features in vehicles today. Like other ADAS systems, ACC needs to have sensors recalibrated after a collision and many vehicle services like windshield replacement . ADAS calibration keeps ACC systems working properly.

What is adaptive cruise control calibration?

Adaptive Cruise Control calibration takes place when the camera, lidar, and radar sensors that inform your vehicle’s actions are re-aligned to improve or re-establish sensor accuracy.

Getting a car calibrated takes drivers knowing about it and recognizing the warning signs.

ACC Calibration Warnings for Drivers

For drivers, the biggest sign that you need a car calibration is a recent collision. Other circumstances that necessitate Adaptive Cruise Control calibration include any time you repair or replace something nearby the location of a sensor. Another sign would be an overly sensitive ACC system, even when you have changed the settings (where possible). Here are some related warning messages that may signal it’s time to get an ADAS calibration:

  • Adaptive cruise control sensor blocked
  • Adaptive cruise control failure
  • Adaptive cruise control temporarily unavailable

ADAS Calibration for Auto Shops

When a car comes into the shop, techs need to know when to order or perform ADAS calibrations . They also need to understand their importance. If calibrated incorrectly, ACC systems may have following distance settings that drivers aren’t used to. They can also make the systems overly sensitive, or not sensitive enough.

Every new model year brings more and more ADAS-equipped vehicles to the streets. Cars need to be calibrated after collisions, and any repairs that may affect sensor alignment. If you want to capitalize on this impending influx of needed calibrations, Car ADAS Solutions can help. We are at the forefront of the ADAS calibration services industry. We provide turnkey ADAS calibration solutions with framework, specialty software, training, and support, built-in. Contact Car ADAS Solutions today !

Additional ACC Resources:

  • Cars with Adaptive Cruise Control – Car and Driver
  • 10 Best Cars with Adaptive Cruise Control – TrueCar
  • Adaptive Cruise Control – MyCarDoesWhat.org

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What is Lincoln Adaptive Cruise Control * ?

Available Adaptive Cruise Control (ACC) lets you set a cruising speed and distance from the vehicle ahead of you. When it slows down, you automatically do too. When traffic picks back up, you resume your preset speed and distance. 

The cruise controls are on the steering wheel ** .

Choosing an Adaptive Cruise Control Mode

  • Select  Driver Assist on your instrument cluster   using the five-way steering wheel controls.
  • Select  Cruise Control .
  • Choose  Adaptive  to enable Adaptive Cruise Control.

Note : To use conventional cruise control, choose  Normal *** .

Setting an Adaptive Cruise Control Speed

  • Press  ON  on the cruise control switch on your steering wheel.
  • Drive to your desired speed.
  • Press and release the  SET+  button.
  • Take your foot off the accelerator.

Speed Control System Indicator Light

Additional Information

What is Adaptive Cruise Control with Stop-and-Go? What is Active Park Assist?

* Driver-assist features are supplemental and do not replace the driver’s attention, judgment, and need to control the vehicle. See your  Owner’s Manual  for details and limitations.

** Location and appearance of buttons may vary. See your Owner's Manual  for information specific to your vehicle.

*** Normal Cruise Control will not brake when your vehicle is approaching slower vehicles. Always be aware of which mode you have selected and apply brakes when necessary.

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  • Buyer's Guide

Cars with Adaptive Cruise Control: Everything You Need to Know

Cars with adaptive cruise control used to be considered a luxury only featured in state-of-the-art vehicles. Still, with technological advancements, adaptive cruise control is now a common feature found in many different car models.

Cruise control buttons on modern car and speed limitation

Cars with adaptive cruise control used to be considered a luxury only featured in state-of-the-art vehicles. Still, with technological advancements, adaptive cruise control is now a common feature found in many different car models. Autobytel says this means ACC is now accessible to everyone, and even if your current vehicle doesn't have ACC, you can always have it installed.

What Does Adaptive Cruise Control Do?

Adaptive cruise control uses advanced sensory technology to determine your car's speed in proximity to other vehicles or objects on or around the roadway. It applies moderate brakes and warning signals when a driver is getting to close to another car. Drivers can set the speed limit on the ACC so that they don't exceed the speed limit, but when the sensory technology detects traffic or other unsafe conditions, it reduces the driver's speed to adapt to them.

The Best Cars With Adaptive Cruise Control

1. 2020 bmw 3 series.

This brand new model offers the best combination of sensory technology . It uses cameras in addition to ultrasonic and radar sensors to pull data about the environment surrounding the vehicle. In addition to its sensory features, it also has a "stop-and-go" brake feature, great for commuters who spend extended amounts of time in stand-still traffic as it alleviates the stress on the driver's legs and feet. What's more, the camera sensor can pick up traffic signs such as speed limit signs and reduce or increase speed to match the recommended rate of speed.

2. 2020 Volvo S60

This new model by Volvo has a "Pilot Assist" feature, which makes driving safe and easy. What this feature does is it helps the driver maintain the proper speed with neighboring vehicles, and it also provides steering assistance along with automatic braking or accelerating for situations such as stop-and-go to free-flowing traffic. Another great aspect of this model is that it doesn't rely on a lead car to determine speed and spacing, so you can use it even when you aren't near another car.

3. 2020 Hyundai Sonata

This new Hyundai model has the same technological systems as other Hyundai models, called "SmartSense advanced driving assistance systems." The 2020 Hyundai Sonata includes SmartSense features such as five cameras, three radar sensors, and 12 ultrasonic sensors to help with things such as advanced cruise control, stop-and-go feature, warning signals, and automatic braking or accelerating.

4. 2020 Nissan Altima

The 2020 Nissan Altima features Nissan's "ProPilot Assist" system, which uses advanced technology to help drivers practice safe driving. It allows drivers with automatic acceleration and braking for speed and distance control, while it also uses automatic steering to help them maintain lane control. These helpful features are made possible by its front-facing cameras, sensors, radar, and electronic control module.

5. 2020 Toyota Corolla Hatchback

This new model provides drivers with an adaptive cruise control system, specifically designed for highway travel. Its cruise control features include cameras within the car and radar sensors on the front grille that can gauge your car's proximity and speed when compared to other vehicles around you. Similarly, these sensors help determine the rate of speed of the vehicle in front of you and automatically decrease your speed if the vehicle in front of you slows down.

The Cheapest Cars With Adaptive Cruise Control

According to U.S.News, here are some examples of the cheapest cars you can buy that still have adaptive cruise control features:

1. 2019 Kia Soul

You can get Kia's "smart cruise control" feature as part of their "Primo Package." This add-on is around $4,500 in addition to the original selling-price. You can save energy with its automatic braking system, and also keep a safe following distance thanks to its forward-collision warning feature. In addition to these safety features, the Kia Soul also provides drivers with a heated steering wheel, and in-depth seat adjustments to meet more complex needs for your body type.

2. 2018 Mazda 3

The 2018 Mazda 3 provides drivers with an adaptive cruise control system that detects rear-cross traffic and blind-spot monitoring, great for making safe lane changes. It also offers a "premium equipment package" for just $1,600 in addition to the original selling price. This package gives your vehicle advanced safety features and other add-ons such as a heated steering wheel and a built-in navigation system.

3. 2018 Hyundai Sonata

The 2018 Hyundai Sonata offers buyers the "technology package" for just $1,000. Included in this package are adaptive cruise control to help drivers maintain a safe following distance and adequate speed. This model also comes with a turbocharged four-cylinder engine.

4. 2018 Toyota Rav4

This 2018 Toyota Rav4 SUV includes an adaptive cruise control system for a fee that increases the original selling price to just above $25,000. When you turn your ACC feature on, it uses its radar sensors to administer collision warnings, automatic braking, and acceleration to make sure that your vehicle moves at a safe pace and maintains an appropriate following distance from other vehicles on the roadway at all times.

The 2018 Toyota Rav4's adaptive cruise control system is categorized as "standard equipment" in Toyota's "Safety Sense P suite of technology," Making it a high-tech safety vehicle for a reasonable price point.

5. 2018 Honda Accord

The 2018 Honda Accord features a state-of-the-art adaptive cruise control system called the "Honda Sensing System." This system offers not only adaptive cruise control but also several other useful safety features, including automatic braking for collision prevention and traffic sign recognition.

These features are powered by camera sensing technology that can read traffic signs such as speed limit markers and adjust the Accord's speed to fit those speed requirements. You can get even more safety features by upgrading to higher-trims.

As adaptive cruise control becomes more readily available, you can find cheap and affordable car models that include much of the same technology as modern luxury cars.

https://www.autobytel.com/car-buying-guides/features/10-cars-with-adaptive-cruise-control-131148/

https://cars.usnews.com/cars-trucks/cheapest-cars-with-adaptive-cruise-control

https://www.caranddriver.com/bmw

https://www.caranddriver.com/shopping-advice/

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Driver assistance technologies in your car not only help to keep you and your passengers safe, but also other drivers and pedestrians. When shopping for a new or used vehicle, you may notice that different manufacturers use different names for the technologies. NHTSA is helping consumers break through the confusion with explanations about how these technologies work. It’s important to understand that some driver assistance technologies are designed to warn you if you’re at risk of an impending crash, while others are designed to take action to avoid a crash. Be sure to review your vehicle’s owner’s manual for more information on your vehicle’s technology and safety features. Understanding how the technology works and how it can better protect you, your passengers and others is key.

Forward Collision Warning

Detects a potential collision with a vehicle ahead and provides a warning to the driver.

This is a NHTSA recommended safety technology.

Lane Departure Warning

Monitors the vehicle’s position within the driving lane and alerts the driver as the vehicle approaches or crosses lane markers.

Rear Cross Traffic Warning

Warns the driver of a potential collision, while in reverse, that may be outside the view of the backup camera.

Blind Spot Warning

Warns of a vehicle in the driver’s blind spot.

Blue Car

Automatic Emergency Braking

Applies brakes automatically when a forward collision is imminent. There are two types of automatic emergency braking systems that meet NHTSA’s performance specifications: dynamic brake support and crash imminent braking.

These are NHTSA recommended safety technologies.

Pedestrian Automatic Emergency Braking

Detects a pedestrian in front of the vehicle and automatically applies brakes if a collision is imminent.

Rear Automatic Braking

Detects a potential collision while in reverse and automatically applies brakes if a crash is imminent.

Blind Spot Intervention

Applies brakes or provides steering if the driver begins to change to a lane where a vehicle is detected in the blind spot.

Adaptive Cruise Control

Automatically adjusts the vehicle’s speed to keep a pre-set distance from the vehicle in front of it.

Lane Centering Assistance

Provides continual steering to keep the vehicle centered in its lane.

Lane Keeping Assistance

Automatically and gently steers to prevent the vehicle from departing the lane.

Automatic High Beams

Automatically switches the vehicle’s headlights between low and high beams when an oncoming vehicle approaches based on lighting conditions and traffic. This is also known as semi-automatic beam switching.

Backup Camera

Provides the driver with a clear view directly behind the vehicle when in reverse. This is also known as a rearview video system.

Automatic Crash Notification

An automatic crash notification system notifies emergency responders that a crash has occurred and provides its location.

Technologies Explained

Forward collision warning

A forward collision warning system monitors the vehicle’s speed, the speed of the vehicle in front of it and the distance between the vehicles. If the vehicle gets too close to the vehicle ahead, the system will warn the driver of an impending crash. It’s important to note that forward collision warning systems only provide a warning to the driver and do not take action to avoid a crash.  Watch how it works.

More on how FCW works

Forward collision warning systems use sensors to detect slower-moving or stationary vehicles. When the distance between vehicles becomes so short that a crash is imminent, a signal alerts the driver so that the driver can apply the brakes or take evasive action, such as steering, to prevent a potential crash. Vehicles with this technology provide drivers with an audible alert, a visual display, or other warning signals. This helps prevent frontal crashes into the rear of slower moving or stopped vehicles.

Lane departure warning

A lane departure warning system monitors lane markings and alerts the driver when it detects that the vehicle is drifting out of its lane. It’s important to note that a lane departure warning system only provides a warning to the driver and does not take action to avoid a crash.

More on how LDW works

A lane departure warning system uses a camera to detect when the vehicle is veering out of its lane. An audio, visual, or other alert warns the driver of the unintentional lane shift so the driver can steer the vehicle back into its lane. This provides a valuable safety benefit and can help keep drivers and passengers safe from crashes such as when a vehicle strikes a car in an adjacent lane, including sideswiping a vehicle traveling in the same direction or hitting a vehicle traveling in the opposite direction. Also, lane departure warning could prevent incidence of road departure and subsequent crashes off roadway.

Rear cross traffic warning alerts the driver of potential collisions, while in reverse, that may be outside the view of the backup camera.

Blind spot warning systems alert drivers with an audio or visual warning if there are vehicles in adjacent lanes that the driver may not see when making a lane change. Watch how it works.

NHTSA recommends dynamic brake support and crash imminent braking systems

automatic emergency braking

Automatic emergency braking systems apply the vehicle’s brakes automatically in time to avoid or mitigate an impending forward crash with another vehicle. NHTSA believes AEB systems represent the next wave of potentially significant advances in vehicle safety. Dynamic brake support and crash imminent braking are AEB systems that potentially save lives and reduce moderate and less severe rear-end crashes that are common on our roadways. Watch how it works.

More on how DBS and CIB systems work

If the system detects a crash and the driver brakes, but not hard enough to avoid the crash, DBS automatically supplements the driver’s braking to avoid a crash. If the system detects a crash but the driver does not brake to at all, CIB automatically applies the vehicle’s brakes to slow or stop the car, avoiding the crash or reducing its severity.

Extensive research on this technology and on relevant performance measures showed that a number of AEB systems currently available in the marketplace are capable of avoiding or reducing the severity of rear-end crashes in certain situations.

A pedestrian automatic emergency braking system uses information from forward sensors to detect a pedestrian in the vehicle’s path. The system will provide automatic braking if the driver has not acted to avoid a crash. Watch how it works.

Rear automatic braking uses sensors, like parking sensors and the backup camera, to detect objects behind the vehicle. If the system detects a potential collision while in reverse, it automatically applies the brakes if a crash is imminent.

Blind spot intervention helps prevent a collision with a vehicle in the driver’s blind spot. If the driver ignores the blind spot warning, and starts to change to a lane where there’s a vehicle, the system activates and automatically applies light braking pressure, or provides steering input to guide the vehicle back into the original lane. The system monitors for vehicles in the driver’s blind spot using rear-facing cameras or proximity sensors.

Adaptive cruise control automatically adjusts the vehicle’s speed to keep a pre-set distance between it and the vehicle in front of it.

Lane centering assistance utilizes a camera-based vision system designed to monitor the vehicle’s lane position and automatically and continuously apply steering inputs needed to keep the vehicle centered within its lane.

Lane keeping assistance helps prevent the vehicle from unintentionally drifting out of its lane. The system uses information provided by lane departure warning sensors to determine whether the vehicle is about to unintentionally move out of its lane of travel. If so, the system activates and corrects the steering, brakes or accelerates one or more of the wheels, or does a combination of both, resulting in the vehicle returning to its intended lane of travel.

Automatic high beams automatically switch the vehicle’s headlights between the lower beam and the higher beam, based on lighting conditions and traffic, when an oncoming vehicle approaches. This technology, also known as semi-automatic beam switching headlamps, uses photometric sensors or onboard cameras to detect when to switch between high and low beams.

A backup camera, also known as a rearview video system, helps prevent backover crashes and protect our most vulnerable people — children and senior citizens. By providing an image of the area behind the vehicle, a backup camera helps the driver see behind the vehicle while in reverse. It’s important to remember that backup cameras are not a replacement for mirrors or turning around to look. As of May 2018, NHTSA requires this lifesaving technology on all new vehicles. Watch how it works.

An automatic crash notification system is designed to notify emergency responders that a crash has occurred and provide its location. In most cases, when the system detects that an air bag has deployed or that there’s been a dramatic and sudden deceleration, the system automatically connects to an operator, who will then be able to communicate with the driver. The operator is also able to collect basic information from the vehicle, without driver input, to provide to emergency responders so they can easily locate the scene of the crash. Automatic crash notification systems can reduce death and disability by decreasing the time it takes for emergency medical services to arrive at a crash scene and transport victims to a hospital.

NHTSA promotes the safe use and manufacture of vehicle equipment

NHTSA promotes the safe use and manufacture of vehicle equipment.

Through safety standards and consumer information, NHTSA demonstrates its commitment to reducing crashes and saving lives in the United States. NHTSA works to inform consumers about the types of driver assistance technologies that are available and which technologies we recommend.

We now know that driver assistance technologies are the right path toward safer roads. We will work diligently to bring you updated information whenever there are breakthroughs with new driver assistance technologies.

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Adaptive Cruise Control (ACC) with predictive cruise control

Adaptive Cruise Control (ACC) with predictive cruise control

Keeps your distance. And observes speed limits.

Adaptive Cruise Control ACC helps you to maintain a previously set maximum speed and a predefined distance to the vehicle ahead . In conjunction with a navigation system, ACC is enhanced by predictive cruise control and a cornering assist function. ACC can adapt the vehicle speed to the applicable speed restrictions and course of the road (bends, roundabouts, etc.) . In conjunction with the dual clutch gearbox (DSG)*, you can also stay relaxed when driving in traffic jams and stop-and-go traffic . * DSG only in the Touareg

Available in the following models

Polo T-Cross Taigo T-Roc T-Roc Cabriolet Golf Golf Variant Tiguan Tiguan Allspace Passat Variant Arteon Arteon Shooting Brake Touareg*

Adaptive Cruise Control ACC helps you to maintain a previously set maximum speed and a predefined distance to the vehicle ahead . It also features predictive cruise control and cornering assist function. ACC can adapt the vehicle speed to the applicable speed restrictions and course of the road (bends, roundabouts, etc .

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Unique in its class: the new ID. Buzz impresses with innovative driver assistance systems

Software generation 3.0 for the ID. family

The new ID.5 achieves highest score in the Euro NCAP driver assistance test

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The new “Roc stars” among compact SUVs: T-Roc and T-Roc Cabriolet on sale now

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The new Tiguan Allspace - Test drives

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The specified fuel consumption and emission data are determined in accordance with the measurement procedures prescribed by law. 1 January 2022, the WLTP test cycle completely replaced the NEDC test cycle and therefore no NEDC values are available for new type approved vehicles after that date.

This information does not refer to a single vehicle and is not part of the offer but is only intended for comparison between different types of vehicles. Additional equipment and accessories (additional components, tyre formats, etc.) can alter relevant vehicle parameters such as weight, rolling resistance and aerodynamics, affecting the vehicle's fuel consumption, power consumption, CO 2 emissions and driving performance values in addition to weather and traffic conditions and individual driving behavior.

Due to more realistic testing conditions, fuel consumption and CO 2 emissions measured according to WLTP will in many cases be higher than the values measured according to NEDC. As a result, the taxation of vehicles may change accordingly as of 1 September 2018. For further information on the differences between WLTP and NEDC, please visit www.volkswagen.de/wltp .

Further information on official fuel consumption data and official specific CO 2 emissions for new passenger cars can be found in the "Guide to fuel economy, CO 2 emissions and power consumption for new passenger car models", which is available free of charge from all sales dealerships and from DAT Deutsche Automobil Treuhand GmbH, Hellmuth-Hirth-Str. 1, D-73760 Ostfildern, Germany and at www.dat.de/co2 .

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Honda The Other Side

Honda The Other Side

Two Sides to Every Story

What is Adaptive Cruise Control (ACC)?

By Richard Craver Updated on May 7, 2023

ACC stands for Adaptive Cruise Control. It is a feature found in some Honda vehicles that automatically adjusts the vehicle’s speed to maintain a safe distance from the vehicle in front of it.

This allows the driver to set a desired speed and lets the vehicle automatically maintain a safe following distance, making highway driving more comfortable and less stressful.

Some Honda vehicles with ACC also include a “Low-Speed Follow” feature that allows the vehicle to follow at slower speeds, such as in heavy traffic.

Table of Contents

History Of ACC

The popularity of cruise control has grown since the 1970s, and it has become a standard feature in most cars. This simple but effective idea makes long drives on the freeway more enjoyable.

Adaptive cruise control, or ACC, is a great example of how these kinds of ideas evolve over time. A computer monitors the distance behind vehicles in front of you using radars mounted on the front of the car.

The computer will see a change in speed in the car ahead of you and prevent you from approaching too closely. Moreover, radars are also used to detect moving objects in front of the car and slow it down before a crash occurs.

Cruise Control Vs. Honda ACC: What’s The Difference?

How does Honda’s Adaptive Cruise Control (ACC) differ from traditional cruise control? With Honda Sensing®, this driver-assistive technology helps keep roadways safer by taking cruise control to a whole new level.

Driving with ACC is easier and more relaxing, whether you’re traveling for work or enjoying family road trips.

ACC works like regular cruise control, but Honda’s version allows you to set an interval between you and the vehicle ahead of you. Check out this video for more information about this feature.

What’s the Benefit Of Honda ACC?

A vehicle’s speed and following interval can be adjusted in response to the vehicle detected ahead with adaptive cruise control (ACC). Additionally, CVT models with Low-Speed Follow make driving in stop-and-go traffic easier.

The driver can set the desired speed with Adaptive Cruise Control (ACC), just like with a conventional cruise control system. In addition, ACC allows the driver to set an interval behind a detected vehicle and a desired speed.

  • The driver can select a short, medium, or long distance behind the detected vehicle while engaged in Adaptive Cruise Control.
  • When necessary, the ACC modulates the throttle and applies moderate braking to maintain the following interval.
  • Even more functionalities can be added with Low-Speed Follow.
  • ACC can stop the Honda Civic or any other Honda vehicle automatically when the preceding detected vehicle slows to a stop.
  • The car will resume moving up to the ACC system’s previously set speed as soon as the driver pushes the cruise-control toggle switch toward RES/+ or -/SET or presses the accelerator.

How Do I Use My Honda Adaptive Cruise Control?

You can use ACC to make freeway driving more convenient, whether you’re traveling across the country or just across town.

Using the system, you can maintain a constant cruising speed, set a following distance between you and detected vehicles in front of you, and even help your Honda stop if a vehicle in front of you slows down.

How Do I Turn On Adaptive Cruise Control In My Honda?

You can enable Adaptive Cruise Control by following the steps below:

  • On your steering wheel, press the MAIN button.
  • ACC and LKAS (Lane Keeping Assist) will appear on the instrument panel.
  • You can set your cruise speed if you are traveling below 25 miles per hour or if you have your foot on the brake pedal when the vehicle stops.
  • On your steering wheel, press the SET/- button.
  • The system will set a default cruise speed of 25 MPH.
  • If you want to set your cruise speed higher than 25 MPH, press the SET/- button again after reaching your desired speed.

You’ll see your selected speed displayed on the instrument panel, along with a vehicle icon with four bars behind it indicating the set distance between you and the detected vehicles in front.

How Do I Adjust The Honda Adaptive Cruise Control Distance Settings?

With Honda ACC, you can choose from four different distance settings: short, medium, long, and extra-long.

You can adjust the distance setting on your steering wheel by pressing the interval button (vehicle with four bars).

Your interval setting will be displayed with the number of bars in the ACC icon on the instrument panel.

What The ACC Light Means

There is no difference between adaptive cruise control and regular cruise control. You can set a speed you want the car to maintain when you turn on cruise control. You can select the distance you want to maintain from cars ahead once the adaptive cruise control is engaged.

The computer will automatically apply the brakes to slow down your vehicle if it detects a gap closing in front of you and will warn you either with an audible alarm or flashing lights.

You should be prepared to step on the brakes if necessary since the brakes won’t be used at full power. The system will reduce the speed of your vehicle if the gap between them becomes too small. When the gap becomes too large, it will restore the speed of your vehicle.

Adaptive Cruise Control Dashboard Warning Light

It means dirt is covering the radar sensor and is preventing the radar from detecting the vehicle in front, which is why the Adaptive Cruise Control (ACC) light comes on with Low-Speed Follow (LSF).

Make sure the area around the radar sensor is clean. It may also come on during bad weather since the system may have difficulty detecting and may shut off automatically.

If the front sensor compartment temperature is too high while ACC with ASF is in operation and the green light is on, the system may cancel with a beep. The camera can be cooled down using climate control.

How Do You Reset Adaptive Cruise Control?

A Cruise Mode Selected display will appear on the instrument panel after pressing and holding down the interval button (you will see four bars behind it). You can reset the adaptive cruise control by pressing and holding the interval button again.

How Do You Get Adaptive Cruise Control To Turn Off?

Honda’s ACC system can be turned off in three ways:

  • On the steering wheel, press the CANCEL button.
  • On the steering wheel, press the MAIN button.
  • Press the brake pedal or step on it.

Please note:  When your Adaptive Cruise Control system is equipped with Low-Speed Follow, and you depress the brake pedal, Adaptive Cruise Control will not be turned off.

Is It Safe To Drive When The ACC Light On?

The purpose of this system was to help drivers maintain a safe distance from vehicles in front of them. The cruise control should be turned off if the vehicle continually adjusts the speed while you are driving.

In addition to other safety systems, adaptive cruise control is also important for preventing accidents. Adaptive cruise control sensors can be affected by dirt and debris, so keep your car clean to avoid having any problems.

The certified technicians at the Honda dealership are always available to diagnose any problems you may be having with your adaptive cruise control.

Honda Models With ACC

  • Adaptive Cruise Control is standard on all Honda Ridgeline trim levels.
  • The new Honda Pilot comes with Adaptive Cruise Control in all trim levels, including the LX and Black Edition.
  • Honda Passports come standard with Adaptive Cruise Control.
  • Honda Odysseys come equipped with Adaptive Cruise Control as standard.
  • The Honda CR-V comes standard with Adaptive Cruise Control on all models.
  • Adaptive Cruise Control is standard on every Honda Insight trim.
  • The Honda Civic Sedan comes standard with Adaptive Cruise Control.
  • All Honda Accords come with Adaptive Cruise Control as a standard feature.

Final Words

By sensing the distance of the car ahead, the adaptive cruise control indicator light helps you drive at a safe speed. 

By setting a desired speed and letting the vehicle maintain a safe distance behind the driver, the Honda ACC feature makes highway driving more enjoyable and less stressful. As a whole, it can enhance the driving experience and be a convenient and useful feature.

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About Richard Craver

I worked as Honda service technician for a long time. I am currently enjoying a second career in industrial manufacturing. I spent a few years in aviation manufacturing after 34 years in the Acura and Honda repair field. I am using the same skill sets that I honed over the years in the automotive industry in an industry that not only expects, but demands quality workmanship and attention to detail. LinkedIn

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Home » Honda » Causes Of Honda Adaptive Cruise Control Problem And How To Fix It

Causes Of Honda Adaptive Cruise Control Problem And How To Fix It

A Honda Adaptive cruise control problem can be a frustrating concern to deal with.

After all, you rely on this component for those long and tedious road trips. So, it is best to understand why this happens and what you can do to address it.

Since you rely on your cruise control for a more seamless and convenient experience while driving, you need to get this problem fixed sooner than later. Find out why your cruise control has stopped working and get the problem resolved for a stress-free ride.

honda adaptive cruise control problem

What Causes A Honda Adaptive Cruise Control Problem

Generally, this issue is linked with your cruise control system. But there are also other common causes that you need to be aware of. 

Here are the more common culprits behind this issue and what you can do about it.

1. Blown fuse

Fuses control all electrical components in your vehicle. Hence, if you have a blown fuse that is connected to the cruise control system, then it can most definitely fail. And if the fuse is already damaged, your cruise control system will not function at all.

The good news is that you should be able to buy and replace your blown fuse. Check the manual to learn more about the fuse connected to your cruise control system and purchase a compatible component for a replacement.

2. Faulty brake pedal switch

Another possible cause of a cruise control problem is an issue with your brake pedal. This component turns your brake lights off and on, depending on the position of your pedal. When you press on the brake pedal, this disengages the cruise control system. 

Hence, if there are issues with your brake pedal switch, this causes the cruise control system to turn off. It may also cause the brake light to get stuck in the on position, which can confuse the drivers behind you. 

3. Speed sensor problems

Your speed sensors are on every differential or wheel. These monitor your speed to determine if there is a need for traction control. Your cruise control system has the speed sensors as one of its key components. So, when there is an issue with the sensor, this may cause the cruise control to malfunction, in addition to your speedometer acting up.

You can easily tell if there is a problem with your speed sensor by checking the dashboard. When you see the check engine light or the ABS warning light turn on, it means that your speed sensor is faulty.

4. Electrical Problems

Your cruise control is electronic. There are various parts that allow the system to function. So, if there is a problem with your cruise control, you should inspect the wiring harness, as well as related connectors, that may be having issues.

The voltage source also needs to be providing ample power to your cruise control system. Small faults can contribute to defects, so you may need to check on this. Sometimes a malfunction to the clock spring, a component behind your steering wheel, can also cause the cruise control to act strange.

Use your OBD II scanner to determine any error codes linked with your cruise control that may be responsible for these issues.

5. Damaged cable or hoses

And lastly, a cruise control problem may be linked with damages to the vacuum actuator or even the cable connecting to your throttle. This is the case with older vehicles. Damages to these parts will cause the cruise control to stop working completely. 

Further Information On The Honda Adaptive Cruise Control Problem

honda adaptive cruise control problem

The cruise control initially appeared in vehicles back in the 1950s. Now, it is a staple component in modern vehicles. It is designed for maintaining a consistent speed when driving, which is useful especially in long distances.

With a cruise control, you can set your preferred speed and not have to step on your gas pedal. So, this reduces fatigue when you are driving for such a long distance. It also helps with fuel economy since you are able to maintain a steady flow of fuel.

If your cruise control system is having issues, then you need to determine what causes the failure. The repair cost depends on the affected parts and the extent of damage to the system. 

In the case of a broken brake switch or cruise control, the price can vary from $125 to as much as $350 . This includes the cost of replacement parts and labor. But if you only need to have the fuse changed, it should only cost you a few dollars. You may even replace the fuse yourself very quickly.

But if you have bigger problems with the cruise control such as a faulty actuator, the repair cost can be a bit steeper. For instance, replacing your actuator can set you back up to $700 or sometimes even more . 

While it may not appear to be an urgent fix when you have a cruise control problem, you most definitely want to get it addressed sooner than later. Otherwise, some other relevant issues affecting the performance may occur such as speedometer or acceleration problems.

Read More: Does Honda Hack Void Warranty? What You Never Knew!

Final Thoughts

Your cruise control includes a fuse, which may sometimes break and cause the system to fail. In the same way, there is a brake switch that also impacts the performance of your cruise control system. This sends signal to the system, which activates it when you apply the brakes. Thus, it is aware of when accelerating should cease. 

When your check engine light is turned on, this disables the cruise control system’s function. This is designed for safety purposes. So it is best to get your Honda Adaptive cruise control problem fixed sooner than later. By doing so, you can prevent performance issues and make sure no further damages occur over time.

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What if along with the adaptive cruise control failing, the road mitigation departure as well as brake system light also turns on?

If the adaptive cruise control (ACC) fails and you also notice the road mitigation departure and brake system lights turning on, it could indicate a more significant issue with your vehicle’s safety systems. In this case, it is recommended to take the following steps:

1. Check the Owner’s Manual: Refer to your vehicle’s owner’s manual to understand the specific meaning of these warning lights. It may provide you with specific instructions or information about the problem.

2. Inspection: Take your vehicle to an authorized Honda service center or a qualified mechanic for a comprehensive inspection. They will be able to diagnose the issue using specialized diagnostic equipment and software.

3. System Reset: Sometimes, a temporary glitch or error in the system can cause multiple warning lights to illuminate. Try performing a system reset by disconnecting the vehicle’s battery for a few minutes and then reconnecting it. This may clear the fault codes and reset the systems. However, keep in mind that this is a temporary solution, and the underlying issue needs to be addressed.

4. Addressing Faulty Components: Depending on the diagnosis, the faulty components related to the ACC, road mitigation departure, and brake system will need to be repaired or replaced. This could involve issues with sensors, wiring, actuators, or control modules. Only a qualified technician can accurately identify and resolve these problems.

It is crucial to address these issues promptly, as they directly affect the safety and functionality of your vehicle’s advanced driver assistance systems. Following the manufacturer’s recommendations and seeking professional assistance is the best course of action in such situations.

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Do Brake Lights Come On When Using Adaptive Cruise Control?

do brake lights come on when using adaptive cruise control

Modern cars have many features that can make driving more accessible and enjoyable. One of these features is adaptive cruise control.

If you’re wondering whether your brake lights will come on when using adaptive cruise control, the answer is yes. Here’s what you need to know.

Table of Contents

The Benefits of Having Brake Lights that Come On When Using Adaptive Cruise Control

  • First, it can help to tell the driver behind you that you are reducing the speed. 
  • Alerts can be beneficial when the driver behind you may need to pay more attention and realize that you are slowing down.
  • Another benefit is that they can help you avoid Rear-End collisions.  
  • If the driver behind you does not mind paying attention and does not see your brake lights, they may not realize that you are slowing down and could rear-end you. 
  • However, if your brake lights are on, they will be more likely to notice that you are slowing down and be able to adjust their speed accordingly.

Actions you should take if the vehicle doesn’t have adaptive cruise control

  • If your vehicle doesn’t have ACC, you can still use the gas and brake pedals to maintain a safe and sound distance from the car in front of you. 
  • Pay attention to the speed of the vehicle in front of you and adjust your speed accordingly.
  • You can also use the cruise control feature if your car has it. 
  • Cruise control can help you maintain a constant speed. Still, it won’t automatically adjust your driving speed to maintain a safe following distance. 
  • So, you’ll still need to pay attention to the car in front of you and be prepared to brake if necessary.

adaptive cruise control

FAQs of Brake Lights When Using Adaptive Cruise Control

What is adaptive cruise control?

  • Adaptive cruise control (ACC) is a feature on some newer cars. 
  • It uses sensors to automatically adjust your speed to maintain a constant and safe distance from the vehicle in front. 
  • A safe space can be a great convenience, especially on long trips.

How Does Adaptive Cruise Control Work?

  • It uses a few sensors to monitor your driving speed and the distance between vehicles in front of you. 
  • It automatically adjusts your speed to maintain a safe following distance. 

When do my brake lights start to blink?

  • Brake lights are usually activated when you step on the brake pedal. Still, they can also be activated when you use ACC. 
  • When you engage ACC, the sensors will constantly monitor the speed and distance of the car in front of you. 
  • Suppose the sensors determine that you must slow down to maintain a safe following distance. 
  • In that case, your brake lights will come on automatically.

Are there any drawbacks to using adaptive cruise control?

  • First, it’s important to remember that ACC is not a substitute for paying attention to the road. 
  • You should always be prepared to brake the vehicle if the car moving in front of you stops suddenly.
  • Furthermore, ACC can’t read traffic signs or anticipate what other drivers might do. 
  • So, if you’re approaching a construction zone, you’ll need to deactivate ACC and slow down manually.
  • Finally, ACC can be less effective in stop-and-go traffic. 
  • In heavy traffic, you might need to deactivate ACC and use the gas and brake pedals to maintain your position.

Watch : Do Brake Lights Come On When Using Adaptive Cruise Control?

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Does Adaptive Cruise control (ACC) activate Brake light?

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Hi ALL When in cruise control and another car cut in suddenly so my Accord EXL applies brake. I was wondering while the car is doing that by itself, it’s the brake light on when brake was applied? Just curious  

Yes it does light up. Sent from my ONEPLUS A5000 using Tapatalk  

GerryB

I find adaptive cruise control to be a panicky nuisance. Sent from my SM-G960U using Tapatalk  

zroger73

Federal motor vehicle safety standards require the brake lamps to illuminate whenever the service brakes are applied whether they're being applied by the driver or by the vehicle.  

drowned12

To add though, the car isn't always using the brakes if it doesn't have to. It does attempt to drive like a human and coast to decelerate.  

AlanTheBeastV2

I wish ACC could be run in a pure CC mode with a one button push. Occasionally someone will cut close enough that the brakes are applied when a judicious coast (with foot ready to brake) would be enough. I'm getting used to it slowly, and often have my thumb near [Cancel] ...  

buddy_maynard

Just hold the distance interval button until you hear a beep. That switches the system to regular old-fashioned cruise control. I was pretty happy when I found that!  

I assume you're talking about something even simpler than holding the distance button to toggle between ACC and CC while "on", but "disengaged"?  

If it works like a regular CC that would be fine: keeping set speed until I cancel, hit the brakes or hit what's in front of me...  

That's exactly what holding the distance button does - toggles between adaptive cruise control and "regular" (non-adaptive) cruise control.  

HondaBre said: Found? Like it was lost? If you would read manual you would know it... Click to expand...

wgreenlee1

I wish ACC would cancel itself when it senses an abrupt object for one second then engage itself again (while at highway speeds) to prevent the brakes from being stomped on by the ACC. Cause usually that's the repetition I seem to go thru to prevent that if I can't get over from a merging vehicle. And also it does it when a vehicle I'm following slows in the exit lane from the main travel lanes....the car wants to stomp on the brakes unless I cancel and resume.  

jcglos

Just apply a little pressure to the gas pedal in those situations which cancels ACC until you take your foot off the gas pedal. Sent from my iPhone using Tapatalk  

jackpine

I think you're expecting too much from software. The computer has no way of knowing that the merging vehicle won't continue to be a threat - in fact, you really don't either. Just canceling briefly might put you into a situation where you would not be able to avoid a collision if the vehicle ahead continues to slow. This is NOT a self-driving car. It just offers some features to make your driving a bit easier. I find the ACC to be very enjoyable, especially on 2-lane roads. - Jack  

@jackpine : I haven't used ACC much on 2 lane roads, but I get that that would at least eliminate the guy who passes on the left then cuts across to the right to catch his exit (freeways). I've been driving CC only of late and that's fine for me. Then I can judge whether coast (and absorb some of the distance) is enough or whether the brakes are needed - ACC will go to brakes pretty quick because it can't judge what the car ahead will do ... it can only assume it will slow even more. In the end CC only keeps me more attentive to the situation. You're quite right to point out that it is not self-driving even if it has a few ingredients...  

whoops....lol  

So this may be a stupid question however I’m very curious. I have a 2018 ex-l and use AAC and brake hold a lot. When the car slows itself down do the brake lights activate? When I use brake hold do the brake lights activate?  

Read the post by @zroger73 on page 1 of this thread... ?  

themarshall18

To someone else's point here, you can easily pause the ACC by applying slight pressure to your gas pedal to hold the speed you want while someone is in the process of cutting you off or merging out or whatever. However, the moment you release that pressure, it resumes ACC. If you're on someone's ass and you release that pressure, your Honda will abruptly brake to resume it's "safe" distance for ACC.,  

True, you have to know exactly how the ACC works to avoid that situation. I turn it off if I let my son drive it. Sent from my iPhone using Tapatalk  

GerryB said: I find adaptive cruise control to be a panicky nuisance. Sent from my SM-G960U using Tapatalk Click to expand...
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Dr. Acula

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Is Adaptive Cruise Control Worth It in 2024?

I t’s 2024. That means artificial intelligence (AI), planned habitats on the moon, and “The Fast and the Furious” films in the double digits. Hell, science fiction movies from the 1980s and 1990s predicted we’d be dead or desperately combatting sentient robots by now. However, not everything is on autopilot; adaptive cruise control (ACC) is some of the closest technology you’ll get to a fire-and-forget autonomous automobile in 2024. So, is it worth it?

Adaptive cruise control maintains a safe following distance and speed to take the guesswork out of highway cruising

Radar-guided cruise control, intelligent cruise control, active cruise control. You’ve heard the various terminology. However, they all mean something of the same thing: a technology suite that maintains speed and following distance with the vehicle ahead. 

It might seem like a novelty flex you can bring up smugly to a buddy. However, it has its benefits. For instance, if you’ve done any extended highway driving, adaptive cruise control could be quite helpful. I’ve done the drive between Austin, Texas, and Louisville, Kentucky more than most. It’s a nice, round number– just over 1,000 miles from door to door. 

During those drives, my wife finds herself, at times, frustrated by the inconsistency of drivers’ speeds on the open American highway system. She’ll set a speed in cruise control, drive for a bit, and have to cancel or discontinue cruise control to overtake a vehicle. Well, if that sounds like a frustration you know all too well, adaptive cruise control could be the solution. Frankly, if you’re distracted (and don’t be that person), an adaptive system could be the difference between safe cruising and a crash . 

The intelligent cruise control systems use sensory equipment to take the adjustments out of drivers’ hands

With ACC, a vehicle will use sensory equipment like lasers, a radar system, or cameras to detect a vehicle ahead. As such, the suite will adjust vehicle speed and following distance to provide a comfortable cruise. 

Fortunately, it’s 2024. That means several cars offer adaptive cruise control as part of a driver-aid suite. And it’s not just posh luxury cars, either.

The 2024 Ford Mustang offers ACC as part of the Ford Co-Pilot 360 suite. In addition to Ford’s seventh-generation pony car, the 2024 Nissan Z and Subaru BRZ have adaptive cruise control functions on their options sheets. Of course, ACC doesn’t give you carte blanche to be a distracted clown on our shared highways. Pay attention when driving, even with adaptive cruise control.

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The post Is Adaptive Cruise Control Worth It in 2024? appeared first on MotorBiscuit .

The interior of a Subaru BRZ.

IMAGES

  1. What Does the Adaptive Cruise Control Warning Light Mean

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  2. ADAPTIVE Cruise Control Dashboard Light

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  3. How to set and adjust the adaptive cruise control on the 2019 Acura RDX. MS

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  4. Adaptive Cruise Control Warning Light

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  5. USING THE ADAPTIVE CRUISE CONTROL

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  6. What Is Adaptive Cruise Control (ACC)? Video

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VIDEO

  1. Adaptive Cruise Control ACC with Low Speed Follow (LSF)

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COMMENTS

  1. What Does the Adaptive Cruise Control Warning Light Mean?

    What the ACC light means. Adaptive cruise control is still used in the same way as regular cruise control. Once you turn on the cruise control mode and get your vehicle up to a particular speed, the car will maintain that speed for you. Once engaged, the adaptive cruise control will allow you to choose a set distance from cars ahead of you.

  2. Adaptive Cruise Control: What Sets Off the ACC Warning Light?

    Summary. When the adaptive cruise control (ACC) light turns on, it usually indicates an issue with the ACC, such as an unsafe following distance, faulty adaptive cruise control sensors, and bad weather. The adaptive cruise control is a system that helps keep your vehicle at a certain speed to maintain a safe following distance.

  3. How to Use Adaptive Cruise Control

    1. To turn the feature on, press the cruise control On/Off button on the steering wheel. Your vehicle will default to the type of cruise control you last used when you turned your vehicle off. When the system is turned on, you'll see a white Adaptive Cruise Control icon in your cluster display or on your Head-Up Display, if your vehicle has ...

  4. Adaptive Cruise Control

    Adaptive Cruise Control uses a forward-looking camera or a forward-looking camera and radar technology (depending on your vehicle) to monitor vehicles you're following. This feature helps you follow a vehicle ahead at the following gap you select (Far, Medium, or Near) while you steer. This helps reduce the need for you to frequently brake ...

  5. Demystifying Adaptive Cruise Control: A Comprehensive Guide

    Radar Adaptive Cruise Control. Uses radio waves in the 24 GHz or 77 GHz frequency bands. Excellent range (160m+) and unaffected by weather. Distributed beam provides wide field of view. Cannot identify shape and classification of objects. Overall the most robust and widely adopted ACC technology.

  6. What Does the Cruise Control Warning Light Mean?

    What the cruise control light means. Most cruise control lights use 2 different colors to let you know what state the system is in. Typically, the cruise control light will be orange when the system is on, but a speed hasn't been chosen yet. Once a speed is selected, this light will turn green. If the computer has detected an issue, this ...

  7. What Is Adaptive Cruise Control?

    History of Adaptive Cruise Control. U.S. News says Mitsubishi first introduced adaptive cruise control in Japan in 1992. This was a lidar-based distance detection system that detected objects that ...

  8. Adaptive cruise control for passenger cars

    The adaptive cruise control (ACC) can reduce stress for the driver by automatically controlling vehicle speed and maintaining a predefined minimum distance to the preceding vehicle. As a consequence, the driver enjoys more comfort and can better concentrate on the traffic. can avoid.

  9. Adaptive Cruise Control: What is ACC in ADAS?

    Adaptive cruise control or Active Cruise Control (ACC) is an advanced driver assistance system (ADAS) ... ACC works well in clear day and night driving, and in light weather. However, if there is fog, heavy rain, or snow, it won't work. Additionally, if dirt, snow, or ice are on the sensors, they won't work. ...

  10. What is Lincoln Adaptive Cruise Control

    Note: To use conventional cruise control, choose Normal ***. Setting an Adaptive Cruise Control Speed. Press ON on the cruise control switch on your steering wheel. Drive to your desired speed. Press and release the SET+ button. Take your foot off the accelerator. The speed control system indicator light will illuminate when you turn Adaptive ...

  11. Cars with Adaptive Cruise Control: Everything You Need to Know

    2. 2018 Mazda 3. The 2018 Mazda 3 provides drivers with an adaptive cruise control system that detects rear-cross traffic and blind-spot monitoring, great for making safe lane changes. It also ...

  12. Driver Assistance Technologies

    Adaptive cruise control automatically adjusts the vehicle's speed to keep a pre-set distance between it and the vehicle in front of it. Lane Centering Assistance Lane centering assistance utilizes a camera-based vision system designed to monitor the vehicle's lane position and automatically and continuously apply steering inputs needed to ...

  13. Adaptive cruise control

    Adaptive cruise control by the Insurance Institute for Highway Safety (example video) Adaptive cruise control ( ACC) is a type of advanced driver-assistance system for road vehicles that automatically adjusts the vehicle speed to maintain a safe distance from vehicles ahead. As of 2019, it is also called by 20 unique names that describe that ...

  14. What Is Adaptive Cruise Control? Is It Worth Paying For?

    These state of the art adaptive cruise control systems form the building blocks for semi-autonomous driving. When a lane centering system joins the mix, the vehicle can keep itself in a single ...

  15. WARNING

    Adaptive Cruise Control (ACC) with Low Speed Follow (ACC with LSF) Helps maintain a constant vehicle speed and a set following interval behind a . vehicle detected ahead of yours. ACC with LSF works at speeds above 25 mph (40 km/h) and to speeds up to 90 mph (145 km/h). Improper use of ACC with LSF can lead to a crash.

  16. What is Adaptive Cruise Control?

    Adaptive cruise control uses radar, lasers, cameras, or a combination of any of those items to calculate your surroundings. Its sensors and processors judge what the car in front of you is doing and regulate your car in relation to the one in front of you to maintain a safe distance, braking when they slow down and accelerating when they do, up ...

  17. Adaptive Cruise Control (ACC)

    Models. Adaptive Cruise Control ACC helps you to maintain a previously set maximum speed and a predefined distance to the vehicle ahead 03. It also features predictive cruise control and cornering assist function. ACC can adapt the vehicle speed to the applicable speed restrictions and course of the road (bends, roundabouts, etc 0304.

  18. Anyone else have this warning light pop up? Adaptive cruise control and

    This light come on my 2022 Elevation Refresh about a week ago, took it to the dealership and on the way back home it came back on. Dealership said they changed the fuse on the camera and it was working. Less than an hour home the light came back on and disables the adaptive cruise control and automatic high beams.

  19. What is Adaptive Cruise Control (ACC)?

    It means dirt is covering the radar sensor and is preventing the radar from detecting the vehicle in front, which is why the Adaptive Cruise Control (ACC) light comes on with Low-Speed Follow (LSF). Make sure the area around the radar sensor is clean. It may also come on during bad weather since the system may have difficulty detecting and may ...

  20. Causes Of Honda Adaptive Cruise Control Problem And How To Fix It

    2. Faulty brake pedal switch. Another possible cause of a cruise control problem is an issue with your brake pedal. This component turns your brake lights off and on, depending on the position of your pedal. When you press on the brake pedal, this disengages the cruise control system. Hence, if there are issues with your brake pedal switch ...

  21. Do Brake Lights Come On When Using Adaptive Cruise Control?

    The Benefits of Having Brake Lights that Come On When Using Adaptive Cruise Control. First, it can help to tell the driver behind you that you are reducing the speed. Alerts can be beneficial when the driver behind you may need to pay more attention and realize that you are slowing down. Another benefit is that they can help you avoid Rear-End ...

  22. Does Adaptive Cruise control (ACC) activate Brake light?

    Federal motor vehicle safety standards require the brake lamps to illuminate whenever the service brakes are applied whether they're being applied by the driver or by the vehicle. To add though, the car isn't always using the brakes if it doesn't have to. It does attempt to drive like a human and coast to decelerate.

  23. Enjoy carefree cruising with your adaptive cruise control

    I have a 2022 Hyundai Santa Fe with an "adaptive" cruise control that automatica­lly monitors your distance from the vehicle in front of you. You can set it to leave from one to four car lengths. But when a car unexpected­ly switches lanes and jumps in front of me, my car automatica­lly brakes to reestablis­h the proper distance. ...

  24. How to Use Adaptive Cruise Control

    On properly equipped 2024 model year vehicles, you can set an Adaptive Cruise Control speed while you're stopped (the system must be on, you must apply the brake pedal and your vehicle must be in a forward gear). 1. Press the Set button while your foot is on the brake to turn on the feature. 2. You can change the set speed, still with your ...

  25. Is Adaptive Cruise Control Worth It in 2024?

    That means several cars offer adaptive cruise control as part of a driver-aid suite. And it's not just posh luxury cars, either. The 2024 Ford Mustang offers ACC as part of the Ford Co-Pilot 360 ...

  26. Nikiel at The Glen VW on Instagram: "1 x Brand New 2024 Amarok Pan

    195 likes, 2 comments - nikiel_at_the_glen_vw on February 27, 2024: "1 x Brand New 2024 Amarok Pan-Americana V6 3.0TDI 184Kw 4Motion R1,160,000 all-inc..."