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: Dome Lamps

The dome lamp controls are in the overhead console. To operate, press the following buttons: : Press to turn off the dome lamps when a door is open. An indicator light on the button will turn on when the dome lamp override is activated. Press OFF again to deactivate this feature and the indicator light will turn off...

GMC Terrain 2018-2025 Owners Manual: Engine Oil

To ensure proper engine performance and long life, careful attention must be paid to engine oil. Following these simple, but important steps will help protect your investment: Use engine oil approved to the proper specification and of the proper viscosity grade...