GMC Terrain: Keys, Doors, and Windows / Exterior Mirrors

Immobilizer Operation

This vehicle has a passive theft-deterrent system. The system does not have to be manually armed or disarmed. The vehicle is automatically immobilized when the transmitter leaves the vehicle...

Convex Mirrors

Warning A convex mirror can make things, like other vehicles, look farther away than they really are. If you cut too sharply into the right lane, you could hit a vehicle on the right...

Other information:

GMC Terrain 2018-2025 Owners Manual: Stationary or Very Slow-Moving Objects


Warning ACC may not detect and react to stopped or slow-moving vehicles ahead of you. For example, the system may not brake for a vehicle it has never detected moving. This can occur in stop-and-go traffic or when a vehicle suddenly appears due to a vehicle ahead changing lanes...

GMC Terrain 2018-2025 Owners Manual: Heated Rear Seats


Warning If temperature change or pain to the skin cannot be felt, the seat heater may cause burns. See the Warning under Heated and Ventilated Front Seats. If equipped, the rear heated seat buttons are on the rear of the center console. Press to heat the left or right outboard seat cushion and seatback...

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