GMC Terrain: Seats and Restraints / Child Restraints

Replacing Airbag System Parts after a Crash

Warning A crash can damage the airbag systems in the vehicle. A damaged airbag system may not properly protect you and your passenger(s) in a crash, resulting in serious injury or even death...

Older Children

Older children who have outgrown booster seats should wear the vehicle’s seat belts. The manufacturer instructions that come with the booster seat state the weight and height limitations for that booster...

Other information:

GMC Terrain 2018-2025 Owners Manual: Antilock Brake System (ABS) Warning Light

For vehicles with the Antilock Brake System (ABS), this light comes on briefly when the engine is started. If the light does not come on, have it fixed so it will be ready to warn if there is a problem. If the ABS light comes on and stays on while driving, stop as soon as possible and turn the ignition off...

GMC Terrain 2018-2025 Owners Manual: Increasing Speed While Using Cruise Control

If the cruise control system is already activated: Press and hold +RES on the steering wheel until the vehicle accelerates to the desired speed, then release it. To increase the speed in small increments, briefly press +RES. For each press, the vehicle goes about 1 km/h (1 mph) faster...