GMC Terrain: Setting Adaptive Cruise Control / Objects Not Directly in Front of Your Vehicle

The detection of objects in front of the vehicle may not be possible if:

  • The vehicle or object ahead is not within your lane.
  • The vehicle ahead is shifted, not centered, or is shifted to one side of the lane.

    Other Vehicle Lane Changes

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    Driving in Narrow Lanes

    Vehicles in adjacent traffic lanes or roadside objects may be incorrectly detected when located along the roadway...

    Other information:

    GMC Terrain 2018-2026 Owners Manual: Gas Strut(s)


    This vehicle is equipped with gas strut(s) to provide assistance in lifting and holding open the hood/ trunk/liftgate system in full open position. Warning If the gas struts that hold open the hood, trunk, and/or liftgate fail, you or others could be seriously injured. Take the vehicle to your dealer for service immediately. Visually inspect the gas struts for signs of wear, cracks, or o..

    GMC Terrain 2018-2026 Owners Manual: Adaptive Cruise Control


    If equipped, Adaptive Cruise Control (ACC) allows the cruise control set speed and following gap to be selected. Read this entire section before using this system. The following gap is the following time 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. ACC..

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