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

GMC Terrain 2018-2026 Owners Manual / Keys, Doors, and Windows / Interior Mirrors

Interior Rearview Mirrors

Adjust the rearview mirror for a clear view of the area behind the vehicle.

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

Manual Rearview Mirror

Push the tab forward for daytime use and pull it rearward for nighttime use to avoid glare of the headlamps from behind.

Automatic Dimming Rearview Mirror

If equipped, automatic dimming reduces the glare of headlamps from behind. The dimming feature comes on when the vehicle is started.

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...

Windows

Warning Never leave a child, a helpless adult, or a pet alone in a vehicle, especially with the windows closed in warm or hot weather. They can be overcome by the extreme heat and suffer permanent injuries or even death from heat stroke...

Other information:

GMC Terrain 2018-2026 Owners Manual: Gasoline Engine Starting Procedure

With the Keyless Access system, the Remote Keyless Entry (RKE) transmitter must be in the vehicle. Press ENGINE START/STOP with the brake pedal applied. When the engine begins cranking, let go of the button.The idle speed will go down as the engine gets warm...

GMC Terrain 2018-2026 Owners Manual: Filling the DEF Tank

Caution Use only DEF that is GM approved, or fluid containing the API certified or ISO 22241 label. The use of other fluids could damage the system, requiring costly repairs that will not be covered by the vehicle warranty. Caution Do not mix fuel with DEF, and do not put DEF in the fuel tank...