GMC Terrain: Interior Mirrors

Manual Rearview Mirror

Hold the inside rearview mirror in the center and move it for a clearer view behind the vehicle. Adjust the mirror to avoid glare from the headlamps behind you. Push the tab forward for daytime use and pull it for nighttime use.

Vehicles with OnStar® have three control buttons located at the bottom of the mirror. See your dealer for more information on the system and how to subscribe to OnStar. See OnStar Overview on page 14‑1.

Automatic Dimming Rearview Mirror

The vehicle may have an automatic dimming inside rearview mirror. Automatic dimming reduces the glare from the headlamps of the vehicle behind you. The dimming feature comes on and the indicator light comes on each time the vehicle is started.

on or off. : Press to turn automatic dimming on or off.

Vehicles with OnStar® have three additional control buttons located at the bottom of the mirror. See your dealer for more information on the system and how to subscribe to OnStar. See OnStar Overview on page 14‑1.

Cleaning the Mirror

Do not spray glass cleaner directly on the mirror. Use a soft towel dampened with water.

See also:


Power sunroof
The power sunroof switch is located between the sun visors on the overhead console. Power Sunroof Switch WARNING: • Never leave unattended children in a vehicle with the key in the ignition switch. Occupants, particularly unattended ch ...

Remote keyless entry (RKE)
This system allows you to lock or unlock the doors and liftgate or activate the Panic Alarm from distances up to approximately 66 ft (20 m) using your Remote Keyless Entry (RKE) transmitter. The RKE transmitter does not need to be pointed at ...