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 2018-2026 Owners Manual: Towing Equipment


    Hitches Always use the correct hitch equipment for your vehicle. Crosswinds, large trucks going by, and rough roads can affect the trailer and the hitch. Proper hitch equipment for your vehicle helps maintain control of the vehicle-trailer combination...

    GMC Terrain 2018-2026 Owners Manual: Bulb Replacement


    For the proper type of replacement bulbs, or any bulb changing procedure not listed in this section, contact your dealer. Caution Do not replace incandescent bulbs with aftermarket LED replacement bulbs. This can cause damage to the vehicle electrical system...

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