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: If a Tire Goes Flat

It is unusual for a tire to blow out while driving, especially if the tires are maintained properly. See Tires. If air goes out of a tire, it is much more likely to leak out slowly. But if there is ever a blowout, here are a few tips about what to expect and what to do: If a front tire fails, the flat tire creates a drag that pulls the vehicle toward that side...

GMC Terrain 2018-2025 Owners Manual: Roof Rack System

Warning If something is carried on top of the vehicle that is longer or wider than the roof rack—like paneling, plywood, or a mattress—the wind can catch it while the vehicle is being driven. The item being carried could be violently torn off, and this could cause a collision and damage the vehicle...