GMC Terrain: Keys, Doors, and Windows / Roof

Sun Visors

Pull the sun visor down to block glare. Detach the sun visor from the center mount to pivot to the side window and, if equipped, extend along the rod...

Sunroof

Sunroof Switch Sunshade Switch If equipped, the sunroof only operates when the ignition is on or in ACC/ACCESSORY, or when Retained Accessory Power (RAP) is active...

Other information:

GMC Terrain 2018-2021 Owners Manual: Increasing Speed While ACC Is at a Set Speed

If ACC is already activated, do one of the following: Use the accelerator to get to the higher speed. Press SET–. Release SET– and the accelerator pedal. The vehicle will now cruise at the higher speed.When the accelerator pedal is pressed, ACC will not brake because it is overridden...

GMC Terrain 2018-2021 Owners Manual: Climate Controls

The vehicle's heating, cooling, defrosting, and ventilation can be controlled with these systems. Climate Control System Fan Control A/C (Air Conditioning) Air Delivery Mode Controls Defrost TEMP (Temperature Control) Rear Window Defogger Air Recirculation Dual Automatic Climate Control System Driver Temperature Control A/C (Air Conditioning) Air Delivery Mode Controls Fan Control..