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 2018-2026 Owners Manual: Distracted Driving

Distraction comes in many forms and can take your focus from the task of driving. Exercise good judgment and do not let other activities divert your attention away from the road. Many local governments have enacted laws regarding driver distraction...

GMC Terrain 2018-2026 Owners Manual: Cleaning the Sensing System

The camera sensor on the windshield behind the rearview mirror can become blocked by snow, ice, dirt, mud, or debris. This area needs to be cleaned for ACC to operate properly. The vehicle headlamps may need to be cleaned due to dirt, snow, or ice...