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: Tire Designations


    Tire Size The following is an example of a typical passenger vehicle tire size. Passenger (P-Metric) Tire : The United States version of a metric tire sizing system. The letter P as the first character in the tire size means a passenger vehicle tire engineered to standards set by the U...

    GMC Terrain 2018-2022 Owners Manual: Windshield Replacement


    Driver Assistance Systems If the windshield needs to be replaced and the vehicle is equipped with a front camera sensor for the Driver Assistance Systems, a GM replacement windshield is recommended. The replacement windshield must be installed according to GM specifications for proper alignment...

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