GMC Terrain: Climate Controls / Maintenance

Air Vents

Use the louvers located on the air vents to change the direction of the airflow. To open or close off the airflow: On the center air vents, move the slider knobs up or down...

Passenger Compartment Air Filter

The filter removes dust, pollen, and other airborne irritants from outside air that is pulled into the vehicle. The filter should be replaced as part of routine scheduled maintenance...

Other information:

GMC Terrain 2018-2025 Owners Manual: Windows

Warning Never leave a child, a helpless adult, or a pet alone in a vehicle, especially with the windows closed in warm or hot weather. They can be overcome by the extreme heat and suffer permanent injuries or even death from heat stroke. The vehicle aerodynamics are designed to improve fuel economy performance...

GMC Terrain 2018-2025 Owners Manual: Cargo Cover

Warning An unsecured cargo cover could strike people in a sudden stop or turn, or in a crash. Store the cargo cover securely or remove it from the vehicle. Warning Do not place objects on the cargo cover. Sudden stops or turns can cause objects to be thrown in the vehicle...