GMC Terrain: Doors / Liftgate

Warning

Exhaust gases can enter the vehicle if it is driven with the liftgate or trunk/hatch open, or with any objects that pass through the seal between the body and the trunk/hatch or liftgate. Engine exhaust contains carbon monoxide (CO) which cannot be seen or smelled. It can cause unconsciousness and even death.

If the vehicle must be driven with the liftgate or trunk/hatch open:

  • Close all of the windows.
  • Fully open the air outlets on or under the instrument panel.
  • Adjust the climate control system to a setting that brings in only outside air and set the fan speed to the highest setting. See “Climate Control Systems” in the Index.
  • If the vehicle is equipped with a power liftgate, disable the power liftgate function.

See Engine Exhaust.

Caution

To avoid damage to the liftgate or liftgate glass, make sure the area above and behind the liftgate is clear before opening it.

    Doors

    ..

    Manual Liftgate

    To unlock the liftgate, press on the power door lock switch or press on the Remote Keyless Entry (RKE) transmitter twice within five seconds. See Remote Keyless Entry (RKE) System Operation...

    Other information:

    GMC Terrain 2018-2023 Owners Manual: Interior Mirrors


    Interior Rearview Mirrors Adjust the rearview mirror for a clear view of the area behind the vehicle. Do not spray glass cleaner directly on the mirror. Use a soft towel dampened with water. Manual Rearview Mirror Push the tab forward for daytime use and pull it rearward for nighttime use to avoid glare of the headlamps from behind...

    GMC Terrain 2018-2023 Owners Manual: Head Restraint Adjustment and Seat Belts


    Head Restraint Adjustment Do not drive until the head restraints for all occupants are installed and adjusted properly. To achieve a comfortable seating position, change the seatback recline angle as little as necessary while keeping the seat and the head restraint height in the proper position...

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