GMC Terrain: Keys, Doors, and Windows

Roadside Assistance Program

U.S.: 1-888-881-3302 TTY Users (U.S. Only): 1-888-889-2438 Canada: 1-800-268-6800 New GMC owners are automatically enrolled in the Roadside Assistance Program...

Keys and Locks

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Other information:

GMC Terrain 2018-2024 Owners Manual: Vehicle Design

Utility vehicles have a significantly higher rollover rate than other types of vehicles. This is because they have a higher ground clearance and a narrower track or shorter wheelbase than passenger cars, which makes them more capable for off-road driving. While these design characteristics provide the driver with a better view of the road, these vehicles do have a higher center of gravi..

GMC Terrain 2018-2024 Owners Manual: Turn and Lane-Change Signals

Move the lever all the way up or down to signal a turn. An arrow on the instrument cluster will flash in the direction of the turn or lane change. Raise or lower the lever until the arrow starts to flash to signal a lane change. Hold it there until the lane change is complete. If the lever is moved momentarily to the lane change position, the arrow will flash three times. The lever retur..