GMC Terrain: Seats and Restraints / Airbag System

Replacing Seat Belt System Parts after a Crash

Warning A crash can damage the seat belt system in the vehicle. A damaged seat belt system may not properly protect the person using it, resulting in serious injury or even death in a crash...

Airbag System

The vehicle has the following airbags: A frontal airbag for the driver A frontal airbag for the front outboard passenger A seat-mounted side impact airbag for the driver A seat-mounted side impact airbag for the front outboard passenger A roof-rail airbag for the driver and the passenger seated directly behind the driver A roof-rail airbag for the front outboard passenger and..

Other information:

GMC Terrain 2018-2025 Owners Manual: Setting the 3/4 Mode

To change the position the liftgate stops at when opening: Select MAX or 3/4 mode and power open the liftgate. Stop the liftgate movement at the desired height by pressing any liftgate switch. Manually adjust the liftgate position if needed. Press and hold next to the pull cup on the bottom of the liftgate until the turn signals flash and a beep sounds. This indicates the s..

GMC Terrain 2018-2025 Owners Manual: Hill and Mountain Roads

Driving on steep hills or through mountains is different than driving on flat or rolling terrain. Tips include: Keep the vehicle serviced and in good shape. Check all fluid levels and brakes, tires, cooling system, and transmission. Shift to a lower gear when going down steep or long hills. Warning Using the brakes to slow the vehicle on a long downhill slope can cause brake overh..