Editing Cruise control (section)

==Adaptive cruise control==
{{Main|Adaptive cruise control}}
[[File:NOTE e-POWER SteeringSwitch.png|thumb|right|[[Adaptive cruise control]] (ACC) steering wheel switch on [[Nissan Note]] e-Power. The bottom-left button is the adaptive cruise control symbol defined in ISO 2575:2010 and ISO 7000-2580 standards and used in various vehicles.]]

Some modern vehicles have adaptive cruise control (ACC) systems, a general term meaning improved cruise control. Dynamic set speed systems use the [[GPS]] position of [[speed limit]] signs from a database. Many systems also incorporate cameras, lasers, and [[Extremely high frequency|millimeter-wave]] [[radar]] equipment to determine how close a vehicle is to others or other objects on the roadway.<ref name="What-is">{{cite web |title=What Is Adaptive Cruise Control? |url= https://www.caranddriver.com/research/a32813983/adaptive-cruise-control/ |website=Car and Driver |access-date=April 2, 2024}}</ref>

The technologies can be set to maintain a distance from vehicles in front of the car; the system will automatically slow down based on the vehicles in front or continue to keep the set speed.<ref name="What-is"/> Some systems cannot detect completely stationary cars or pedestrians, so the driver must always pay attention. Automatic braking systems use either a single or a combination of sensors (radar, lidar, and camera) to allow the vehicle to keep pace with the car it is following, slow when closing in on the vehicle in front, and accelerate to the preset speed when traffic allows. Some systems also feature [[forward collision warning]] systems, which warn the driver if a vehicle in front&mdash;given the speed of both vehicles&mdash;gets too close within the preset headway or braking distance. 

Vehicles with adaptive cruise control are considered a [[Autonomous car#Levels of driving automation|Level 1]] [[autonomous car]], as defined by [[SAE International]].<ref>{{cite web |url= https://www.caranddriver.com/features/path-to-autonomy-self-driving-car-levels-0-to-5-explained-feature |title=Path to Autonomy: Self-Driving Car Levels 0 to 5 Explained |magazine=Car and Driver |date=October 3, 2017 |access-date=April 28, 2018}}</ref>