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 2018-2025 Owners Manual: Seat Adjustment - Manual Front Seats

To adjust a manual seat: Pull the handle at the front of the seat. Slide the seat to the desired position and release the handle. Try to move the seat back and forth to be sure it is locked in place. Seat Height Adjuster Move the lever up or down to manually raise or lower the seat...

GMC Terrain 2018-2025 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...