GMC Terrain: Climate Controls / Air Vents
GMC Terrain 2018-2023 Owners Manual / Climate Controls / 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.
- On the outer and rear air vents, move the slider knobs right or left.
Operation Tips
- Clear away any ice, snow, or leaves from air inlets at the base of the windshield that could block the flow of air into the vehicle.
- Clear snow off the hood to improve visibility and help decrease moisture drawn into the vehicle, which may improve long term system performance.
- Keep the path under the front seats clear of objects to help circulate the air inside of the vehicle more effectively.
- Use of non-GM approved hood deflectors can adversely affect the performance of the system. Check with your dealer before adding equipment to the outside of the vehicle.
- Do not attach any devices to the air vent slats. This restricts airflow and may cause damage to the air vents.
Maintenance
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Other information:
GMC Terrain 2018-2023 Owners Manual: Infotainment System
Infotainment See the infotainment manual for information on the radio, audio players, phone, navigation system, and voice or speech recognition. It also includes information on settings. Active Noise Cancellation (ANC) If equipped, ANC reduces engine noise in the vehicle’s interior. ANC requires the factory-installed audio system, radio, speakers, amplifier (if equipped), induction syst..
GMC Terrain 2018-2023 Owners Manual: Remote Vehicle Start
If equipped, the engine can be started from outside of the vehicle. Starting the Vehicle Press and release on the RKE transmitter. Immediately press and hold for at least four seconds or until the turn signal lamps flash. When the vehicle starts, the parking lamps will turn on. Remote start can be extended. Start the vehicle normally after entering. Canceling a Remote Start To cance..
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Vehicle Personalization
The following are all possible vehicle personalization features. Depending on the vehicle, some may not be available.
For System, Apps, and Personal features and functions, see “Settings” in the infotainment manual.
To access the vehicle personalization menu:
Touch the Settings icon on the Home Page of the infotainment display. Touch Vehicle to display a list of available options. Touch to select the desired feature setting. Touch
or R to turn a
feature
off or on.
Touch 
to go to the top
level
of the Settings menu.
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