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 2018-2025 Owners Manual: Radio Frequency Statement


    This vehicle has systems that operate on a radio frequency that complies with Part 15/Part 18 of the Federal Communications Commission (FCC) rules and with Innovation, Science and Economic Development (ISED) Canada's RSP-100 / license-exempt RSS's / ICES-001. Operation is subject to the following two conditions: The device may not cause harmful interference. The device must accept any..

    GMC Terrain 2018-2025 Owners Manual: Fuel for Diesel Engines


    The selection of a high-quality fuel is important for maintaining optimum vehicle performance. Diesel fuel should meet or exceed the minimum requirements in the most current versions of the local fuel standards Do not use fuel with more than 15 ppm sulfur. Do not use a diesel blend containing more than 20% biodiesel by volume. Caution Use of fuel that does not comply with the required tech..

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