GMC Terrain: Seats and Restraints / Front Seats

Head Restraints

The vehicle’s front seats have adjustable head restraints in the outboard seating positions. Warning With head restraints that are not installed and adjusted properly, there is a greater chance that occupants will suffer a neck/spinal injury in a crash...

Seat Adjustment

Warning You can lose control of the vehicle if you try to adjust a driver seat while the vehicle is moving. Adjust the driver seat only when the vehicle is not moving...

Other information:

GMC Terrain 2018-2026 Owners Manual: Automatic Headlamp System

When the exterior lamp control is set to AUTO and it is dark enough outside, the headlamps come on automatically. There is a light sensor on top of the instrument panel. Do not cover the sensor; otherwise the headlamps will come on when they are not needed...

GMC Terrain 2018-2026 Owners Manual: Folding Mirrors and Heated Mirrors

Folding Mirrors Manual Folding Mirrors The mirrors can be folded inward toward the vehicle to prevent damage when going through an automatic car wash. Push the mirror outward to return it to the original position. Memory Mirrors The vehicle may have memory mirrors...