Buick Regal Owners & Service Manuals

Buick Regal: Adaptive Cruise Control

If equipped with Adaptive Cruise Control (ACC), it allows for selecting the cruise control set speed and following gap. Read this entire section before using this system.

ACC uses a radar sensor to detect other vehicles. The following gap is the following time (or distance) between your vehicle and a vehicle detected directly ahead in your path, moving in the same direction. If no vehicle is detected in your path, ACC works like regular cruise control.

If a vehicle is detected in your path, ACC can speed up the vehicle or apply limited, moderate braking to maintain the selected following gap.

To disengage ACC, apply the brake.

If the Traction Control System (TCS) or StabiliTrak electronic stability control system activates while ACC is engaged, ACC may automatically disengage. When road conditions allow ACC to be safely used, ACC can be turned back on. ACC will not engage if the TCS or StabiliTrak electronic stability control system is disabled.

Warning: ACC has limited braking ability and may not have time to slow the vehicle down enough to avoid a collision with another vehicle you are following. This can occur when vehicles suddenly slow or stop ahead, or enter your lane.

Also see "Alerting the Driver" in this section. Complete attention is always required while driving and you should be ready to take action and apply the brakes.

Warning: ACC will not detect or brake for children, pedestrians, animals, or other objects.

Do not use ACC when:

  • On winding and hilly roads or when the sensors are blocked by snow, ice, or dirt.

    The system may not detect a vehicle ahead. Keep the entire front of the vehicle clean.

  • Visibility is low, such as in fog, rain, or snow conditions. ACC performance is limited under these conditions.
  • On slippery roads where fast changes in tire traction can cause excessive wheel slip.

: Press to turn the system on

or : Press to turn the system on or off. The indicator turns white on the instrument cluster when ACC is turned on.

RES+ : Press the control up briefly to make the vehicle resume to a previously set speed, or hold upward to accelerate. If cruise control is already engaged, use to increase vehicle speed.

SET- : Press the control down briefly to set the speed and activate cruise control. If cruise control is already engaged, use to decrease vehicle speed.

without erasing the selected set : Press to disengage ACC without erasing the selected set speed.

time (or distance) setting for ACC of: Press to select a following gap time (or distance) setting for ACC of Far, Medium, or Near.

The speedometer reading can be displayed in either English or metric units. The increment value used depends on the units displayed.


     Setting Adaptive Cruise Control

    If is on when not in use, it could get pressed and go into ACC when not desired. Keep off when cruise is not being used. Select the set speed desired for ACC. This is the vehicle speed when no veh

     Alerting the Driver

    If ACC is engaged, driver action may be required when ACC cannot apply sufficient braking because of approaching a vehicle too rapidly. When this condition occurs, the collision alert symbol on the

     Curves in the Road

    Warning: On curves, ACC may not detect a vehicle ahead in your lane. You could be startled if the vehicle accelerates up to the set speed, especially when following a vehicle exiting or entering exit


     Forward Automatic Braking (FAB)

    If the vehicle has Adaptive Cruise Control (ACC), it also has FAB, which includes Intelligent Brake Assist (IBA). When the system detects a vehicle ahead in your path that is traveling in the same direction that you may be about to crash into, it can provide a boost to braking or automatically brake

     Hands-Free Operation

    If equipped, the liftgate may be operated with a kicking motion under the projected logo. The RKE transmitter must be within 1 m (3 ft). The hands-free feature will not work while the liftgate is moving. To stop the liftgate while in motion use one of the liftgate switches. The hands-free feature

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