GMC Terrain: Setting Adaptive Cruise Control / Erasing Speed Memory

The ACC set speed is erased from memory if GMC Terrain. Erasing Speed Memory is pressed or if the ignition is turned off.

    Disengaging ACC

    T..

    Weather Conditions Affecting ACC

    If the interior temperature is extremely high, the instrument cluster may indicate that ACC is temporarily unavailable. This can be caused by extreme hot weather conditions with direct sunlight on the front camera...

    Other information:

    GMC Terrain 2018-2026 Owners Manual: Driving on Wet Roads


    Rain and wet roads can reduce vehicle traction and affect your ability to stop and accelerate. Always drive slower in these types of driving conditions and avoid driving through large puddles and deep-standing or flowing water. Warning Wet brakes can cause crashes...

    GMC Terrain 2018-2026 Owners Manual: Air Vents


    Use the louvers located on the air vents to change the direction of the airflow. To open or close off the airflow: On the center air vents, move the slider knobs up or down. On the outer and rear air vents, move the slider knobs right or left...

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