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 2018-2025 Owners Manual: Brake Assist and Hill Start Assist (HSA)


    Brake Assist The Brake Assist feature is designed to assist the driver in stopping or decreasing vehicle speed in emergency driving conditions. This feature uses the stability system hydraulic brake control module to supplement the power brake system under conditions where the driver has quickly and forcefully applied the brake pedal in an attempt to quickly stop or slow down the vehicl..

    GMC Terrain 2018-2025 Owners Manual: Driver Information Center (DIC)


    The DIC display is in the instrument cluster. It shows the status of many vehicle systems. or : Press to move up or down in a list. or : Press to move between the interactive display zones in the cluster. : Press to open a menu or select a menu item. Press and hold to reset values on certain screens. See Driver Information Center (DIC) (Base and Midlevel) or Driver Information Cente..

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