|Adaptive Cruise Control Audi example video.|
Autonomous cruise control (ACC; also called adaptive cruise control, radar cruise control, traffic-aware cruise control or dynamic radar cruise control) is an optional cruise control system for road vehicles that automatically adjusts the vehicle speed to maintain a safe distance from vehicles ahead.
Control is based on sensor information from sensors. (No existing system makes use of satellite or roadside infrastructures nor of cooperative support from other vehicles.) Cooperative Adaptive Cruise Control (CACC) further extends the automation of navigation by using information gathered from fixed infrastructure such as satellites and roadside beacons, or mobile infrastructure such as reflectors or transmitters on the back of other vehicles.
ACC technology is widely regarded as a key component of any future generations of intelligent cars. They impact driver safety and convenience as well as increasing capacity of roads by maintaining optimal separation between vehicles and reducing driver errors. Vehicles with autonomous cruise control are considered a Level 1 autonomous car, as defined by SAE International.
Laser-based systems do not detect and track vehicles in adverse weather conditions nor do they reliably track dirty (and therefore non-reflective) vehicles. Laser-based sensors must be exposed, the sensor (a fairly large black box) is typically found in the lower grille, offset to one side.
Radar-based sensors can be hidden behind plastic fascias; however, the fascias may look different from a vehicle without the feature. For example, Mercedes-Benz packages the radar behind the upper grille in the center and behind a solid plastic panel that has painted slats to simulate the look of the rest of the grille.
Single radar systems are the most common. Systems involving multiple sensors use either two similar hardware sensors like the 2010 Audi A8 or the 2010 Volkswagen Touareg, or one central long range radar coupled with two short radar sensors placed on the corners of the vehicle like the BMW 5 and 6 series.
A more recent development is the binocular computer vision system, such as that introduced to the US market in model year 2013 by Subaru. These systems have front-facing video cameras mounted on either side of the rear view mirror and use digital processing to extract depth information from the parallax between the two cameras' views.
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Radar-based ACC often feature a precrash system, which warns the driver and/or provides brake support if there is a high risk of a collision. Also in certain cars it is incorporated with a lane maintaining system which provides a power steering assist to reduce steering input burden on corners when the cruise control system is activated.
Systems with multiple sensors can practice sensor fusion to integrate the data from to improve safety and/or driving experience. GPS data can inform the system of geographic features such as a freeway offramp. A camera system could notice driver behavior such as brake lights and/or a turn signal. This could allow a following car to interpret a turn signal by an exit as not requiring the following car to slow down, as the leading car will exit. Multi-sensor systems could also take note of traffic signs/signals and not, e.g., violate a red light while following a vehicle that crossed before the signal changed.
Predict systems modify speed based on predictions of other vehicles' behavior. Such systems can make earlier, more moderate adjustments to the predicted behavior, improving safety and passenger comfort. One example is to predict the likelihood of a vehicle in a neighbouring lane moving in front of the controlled vehicle. One system predicts a lane change up to five seconds before it occurs.
The three main categories of ACC are:
|Make||Full speed range ACC||Partial cruise control|
|Aftermarket||Any Vehicle 1990+ ||Uses OpenCV, Wikispeedia, no braking.
Motor Authority Review 
|Acura||RLX (2014+), MDX (2014+), TLX (2015+)||2005 RL, MDX, ZDX, 2016 MDX is 0 mph type, 2016 ILX, RDX|
|Alfa Romeo||Giulia (2016+)||Adaptive Cruise Control with Stop & Go |
|Audi||A8, A7 (2010+), A6 (2011+); Q7 (2007+), A3 Prestige (2013+), Q5 (2013+)||Adaptive Cruise Control with Stop & Go||A3, A4, A5, Q5, A6, A8 (also uses data from navigation and front camera sensors),Q7|
|Bentley||Continental GT (2009+)||Follow-to-Stop option|
|BMW||5-series (2007+), 7-series (2009+), X5 (2011+) excl Diesel, 3-series (2013+), i3 (2014+), X3 (2014+)||Active Cruise Control with Stop & Go||Series 7, 5, 6, 3 (2000+), Mini (2014+)||Stop & Go/Lane Assist controls steering for up to 30 seconds of hands-off driving. Highway driving only. Available on 3, 5, 6 and 7 models.
Active Cruise Control
|Buick||Lacrosse (2014+) |
|Cadillac||XTS, ATS, SRX (2013+), ELR, Escalade (2015+ Premium trim)||Also includes full power automatic braking under 20 mph||2004 XLR, 2005 STS, 2006 DTS (shuts off below 25 mph)|
|Chevrolet||Impala (2014+), Malibu (2016+), Volt (2017+)||Tahoe/Suburban (2015+)|
|Chrysler||200c (2015+), 300 (2015+ in S, C, or C Platinum trims), Pacifica (2015+ in Touring L Plus or Limited trims)||Active Cruise Control with Stop & Go.||2007-2014 300C||laser, for a limited time, now uses a Bosch radar-based system|
|Dodge||2011 Charger, 2011 Durango||radar, by Bosch|
|Ford||Everest (2015+, Trend and Titanium models only),Fusion (2017+)||Adaptive cruise control with stop-and-go (optional)||2015+ F150  2011+Explorer, 2013+ Ford FLEX, 2006 Mondeo, 2013 Kuga, 2013+ Fusion, S-Max, Galaxy, 2010+ Taurus, 2011+ Edge||Disables and does not work or brake under 20 mph; - Radar Adaptive Cruise Control and Collision Warning with Brake Support|
|Honda||Available with Honda Sense package (2016+)||Adaptive Cruise Control (ACC) with Low-Speed Follow||2003 Inspire, 2005 Legend, 2013 Accord (USA), 2007 CR-V series III, 2015 Honda CRV, 2016 Honda Pilot ||Adaptive Cruise Control and Collision Mitigating Braking System with Honda Sensing |
|Hyundai||Azera (2011+), Equus (2012+), Genesis (2015+), Sonata (2015+), Santa Fe (2017+), Santa Fe Sport (2017+), Ioniq (2017+)||Genesis (2010+), Elantra (2017+)|
|Infiniti||EX (2010+)||older, laser based system||2006 EX, M, Q45, QX56, G35, FX35/45/50, G37||shuts off below 3 mph, EX: in North America as an option, shuts off below 40 km/h|
|Jaguar||1999 XK-R, S-Type, XJ, XF|
|Jeep||Cherokee (2014+, Limited and TrailHawk Models), Grand Cherokee (2012+)||Adaptive Cruise Control (ACC) - Stop/Start again option on 2017 models but not prior models.||2011-2013 Grand Cherokee (Option on Limited & Overland, standard on Summit)||radar, by Bosch
disengages below 15 mph
|Kia||Cadenza (2014+), Sedona (2015+), K900 (2015+), Optima (2016+), Sorento (2016+), Niro (2017+)||Advanced Smart Cruise Control (ASCC)|
|Land Rover||Range Rover (2013+)||Range Rover Sport|
|Lincoln||Continental (2017+),MKZ (2017+)||Adaptive cruise control with stop-and-go.||MKS (2009+), MKT (2010+), MKX (2011+), MKZ (2013+), MKC (2015+)||Radar Adaptive Cruise Control and Collision Warning with Brake Support|
|Lexus||LS 460 (2006+), GS hybrid (2013+), GS non-hybrid (2016+), RX (2016+), RX hybrid (2016+), NX (2015+), NX hybrid (2015+)||Dynamic Radar Cruise Control
LS 460 full ACC not available in US until 2013
|2000 LS430/460 (laser and radar), RX (laser and radar), GS, IS, ES 350, and LX 570 (shuts off below 25 mph)|
|Mazda||Mazda6 (2014+), Mazda3, CX-5 (2016+)||Radar Cruise Control and Forward Obstruction Warning|
|Mercedes-Benz||S (2006+), B, E, CLS, CL (2009+); A, CLA, M, G, GL (2013+)||Distronic Plus||1998 S, E, CLS, SL, CL, M, GL, CLK, 2012 C||Distronic|
|Nissan||Murano (2015+), Maxima (2016+), Altima (2016+), Sentra (2017+)||Stops vehicle but resets after 3 seconds, requiring brake application to sit still and setting cruise speed again.||1998 Cima, Primera T-Spec Models||Intelligent Cruise Control|
|Porsche||Panamera (2010+); Cayenne (2011+), Cayman (2013+), Boxster(2012+)||Porsche Active Safe (PAS), PDK transmission only.|
|Seat||León (2012+), Ateca |
|Skoda||Octavia (2013+), Fabia (2014+), Superb (2014+)|
|Subaru||Legacy, Outback (2013+), Forester (2014+), Impreza (2015+), WRX (2016+), Crosstrek (2016+)||0 mph EyeSight Non-Radar Camera System|
|Suzuki||Vitara (2015+), Sx4 Scross (2016+)||radar|
|Tesla||Model S (late 2014+), Model X||Traffic-Aware Cruise Control (TACC)|
|Toyota||Prius + Prius Prime (2016+), Camry (2018+), C-HR (2018+), Avalon (2017+), Land Cruiser (2018+), Rav 4 (2017+) R||1997 Celsior, 2004 Sienna (XLE Limited Edition), Avalon, Sequoia (Platinum Edition), Avensis, 2009 Corolla (Japan), 2017+ Corolla, 2010 Prius, 2013+ Prius v, 2014+ Highlander, 2015+ Camry, 2016+ RAV4||Dynamic Laser Cruise Control (DLCC) on 2009+ Sienna XLE Limited, Avalon Limited and Sequoia Platinum shuts off below 25 mph (US)|
|Vauxhall / Opel||Insignia, Zafira Tourer (on selected variants of SE, SRi, Elite, VXR), Astra|
|Volkswagen||Phaeton (2010+), Passat B8 (2014+), Touareg (2011+) Golf Mk7 (2013+), Polo (2014+), Jetta (2016+ SEL Trim), Tiguan SEL (2018+), ATLAS SEL (2018+)||Tiguan SEL and ATLAS SEL (2018+) ACC stop-and-go||Passat, Phaeton all generations, Touareg|
|Volvo||All Volvo models 2015+
Also before 2015 ACC was available on V40, S60, V60, XC60, V70, XC70 and S80
|ACC also includes automatic braking. Newest models feature full power auto-brake with pedestrian and cyclist detection.|