GMC Terrain: Setting Adaptive Cruise Control / Disengaging ACC

There are three ways to disengage ACC:

  • Step lightly on the brake pedal.
  • Press GMC Terrain. Disengaging ACC.
  • Press GMC Terrain. Disengaging ACC.

    Do Not Use ACC on Hills and When Towing a Trailer

    Do not use ACC when driving on steep hills or when towing a trailer. ACC will not detect a vehicle in the lane while driving on steep hills. If the brakes are applied, ACC disengages...

    Erasing Speed Memory

    The ACC set speed is erased from memory if is pressed or if the ignition is turned off...

    Other information:

    GMC Terrain 2018-2022 Owners Manual: Manual Liftgate


    To unlock the liftgate, press on the power door lock switch or press on the Remote Keyless Entry (RKE) transmitter twice within five seconds. See Remote Keyless Entry (RKE) System Operation. To open the liftgate, press the touch pad on the bottom of the liftgate and lift up. Use the pull cup to lower and close the liftgate. Do not press the touch pad while closing the liftgate. This m..

    GMC Terrain 2018-2022 Owners Manual: Replacing Seat Belt System Parts after a Crash


    Warning A crash can damage the seat belt system in the vehicle. A damaged seat belt system may not properly protect the person using it, resulting in serious injury or even death in a crash. To help make sure the seat belt systems are working properly after a crash, have them inspected and any necessary replacements made as soon as possible. After a minor crash, replacement of seat belt..

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      Engine Overheating

      The vehicle has an engine coolant temperature gauge on the instrument cluster and overheat messages in the Driver Information Center (DIC) to warn of engine overheating. See Engine Coolant Temperature Gauge.

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