GMC Terrain: Setting Adaptive Cruise Control / Resuming a Set Speed

If the ACC is set at a desired speed and then the brakes are applied, ACC is disengaged without erasing the set speed from memory.

To begin using ACC again, press RES+ briefly while moving more than 5 km/h (3 mph). The vehicle returns to the previous set speed.

A green ACC indicator and the set speed display on the instrument cluster. The vehicle ahead indicator may be flashing if a vehicle ahead was present and moved. See “Approaching and Following a Vehicle” later in this section.

Once ACC has resumed, if there is no vehicle ahead, if the vehicle ahead is beyond the selected following gap, or if the vehicle has exited a sharp curve, then the vehicle speed will increase to the set speed.

    Setting Adaptive Cruise Control

    If is on when not in use, SET–/ RES+ could be pressed by mistake and engage ACC when not desired. Keep off when cruise is not being used. Select the set speed desired for ACC...

    Increasing Speed While ACC Is at a Set Speed

    If ACC is already activated, do one of the following: Use the accelerator to get to the higher speed. Press SET–. Release SET– and the accelerator pedal...

    Other information:

    GMC Terrain 2018-2022 Owners Manual: Servicing the Airbag-Equipped Vehicle. Adding Equipment to the Airbag-Equipped Vehicle


    Servicing the Airbag-Equipped Vehicle Airbags affect how the vehicle should be serviced. There are parts of the airbag system in several places around the vehicle. Your dealer and the service manual have information about servicing the vehicle and the airbag system...

    GMC Terrain 2018-2022 Owners Manual: Car Wash Mode


    This vehicle includes a Car Wash Mode that allows the vehicle to remain in N (Neutral) for use in automatic car washes. Car Wash Mode is not to be used for vehicle towing. If the vehicle needs to be towed, see Towing the Vehicle Caution The vehicle is not designed to stay in N (Neutral) for extended periods of time...

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