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 2018-2022 Owners Manual: Uniform Tire Quality Grading


    The following information relates to the system developed by the United States National Highway Traffic Safety Administration (NHTSA), which grades tires by treadwear, traction, and temperature performance. This applies only to vehicles sold in the United States...

    GMC Terrain 2018-2022 Owners Manual: Emergency


    Emergency Services require an active safety and security plan. With Automatic Crash Response, built-in sensors can automatically alert a specially trained OnStar Advisor who is immediately connected in to the vehicle to help. Press for a priority connection to an OnStar Advisor who can contact emergency service providers, direct them to your exact location, and relay important informat..

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