GMC Terrain: 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.

    Dual Automatic Climate Control System

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    Maintenance

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    Other information:

    GMC Terrain 2018-2021 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 2018-2021 Owners Manual: If the Off Indicator Is Lit for an Adult-Sized Occupant


    If a person of adult size is sitting in the front outboard passenger seat, but the OFF indicator is lit, it could be because that person is not sitting properly in the seat or that the child restraint locking feature is engaged. Use the following steps to allow the system to detect that person and enable the front outboard passenger frontal airbag: Turn the vehicle off. Remove any add..

      Categories

      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 GMC Terrain. Vehicle Personalization or R to turn a feature off or on. Touch GMC Terrain. Vehicle Personalization to go to the top level of the Settings menu.

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