GMC Terrain: Setting Adaptive Cruise Control / Selecting the Follow Distance Gap

When a slower moving vehicle is detected ahead within the selected following gap, ACC will adjust the vehicle's speed and attempt to maintain the follow distance gap selected.

Press GMC Terrain. Selecting the Follow Distance Gap on the steering wheel to adjust the following gap. Each press cycles the gap button through three settings: Far, Medium, or Near.

When pressed, the current gap setting displays briefly on the instrument cluster. The gap setting will be maintained until it is changed.

Since each gap setting corresponds to a following time (Far, Medium, or Near), the following distance will vary based on vehicle speed. The faster the vehicle speed, the further back your vehicle will follow a vehicle detected ahead. Consider traffic and weather conditions when selecting the following gap. The range of selectable gaps may not be appropriate for all drivers and driving conditions.

Changing the gap setting automatically changes the alert timing sensitivity (Far, Medium, or Near) for the Forward Collision Alert (FCA) feature. See Forward Collision Alert (FCA) System.

    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...

    Alerting the Driver

    If ACC is engaged, driver action may be required when ACC cannot apply sufficient braking because of approaching a vehicle too rapidly. When this condition occurs, six red lights will flash on the windshield...

    Other information:

    GMC Terrain 2018-2021 Owners Manual: Saving Memory Positions


    Read these instructions completely before saving memory positions. To save preferred driving positions 1 and 2: Turn the ignition on or to ACC/ ACCESSORY.A DIC welcome message may indicate driver number 1 or 2. Adjust all available memory features to the desired driving position...

    GMC Terrain 2018-2021 Owners Manual: Replacing LATCH System Parts After a Crash


    Warning A crash can damage the LATCH system in the vehicle. A damaged LATCH system may not properly secure the child restraint, resulting in serious injury or even death in a crash. To help make sure the LATCH system is working properly after a crash, see your dealer to have the system inspected and any necessary replacements made as soon as possible...

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