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 2018-2023 Owners Manual: Automatic Dimming Mirror and Reverse Tilt Mirrors

Automatic Dimming Mirror The vehicle has an automatic dimming outside mirror on the driver side. The mirror will adjust for the glare of headlamps behind you. Reverse Tilt Mirrors If equipped with memory seats, the passenger and/or driver mirror tilts to a preselected position when the vehicle is in R (Reverse), if enabled...

GMC Terrain 2018-2023 Owners Manual: Towing Equipment

Hitches Always use the correct hitch equipment for your vehicle. Crosswinds, large trucks going by, and rough roads can affect the trailer and the hitch. Proper hitch equipment for your vehicle helps maintain control of the vehicle-trailer combination...