GMC Terrain: Setting Adaptive Cruise Control / Alerting the Driver

GMC Terrain. 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. Either eight beeps will sound from the front, or both sides of the Safety

Alert Seat will pulse five times. See “Collision/Detection Systems” under Vehicle Personalization.

See Defensive Driving.

    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...

    Approaching and Following a Vehicle

    The vehicle ahead indicator is in the instrument cluster. It only displays when a vehicle is detected in your vehicle’s path moving in the same direction...

    Other information:

    GMC Terrain 2018-2026 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...

    GMC Terrain 2018-2026 Owners Manual: Automatic Reversal System


    The sunroof has an automatic reversal system that is only active when the sunroof is operated in express-close mode. If an object is in the path while express closing, the reversal system will detect an object, stop, and open the sunroof again. If frost or other conditions prevent closing, override the feature by closing the sunroof in manual mode...

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