GMC Terrain: Doors / Setting the 3/4 Mode

To change the position the liftgate stops at when opening:

  1. Select MAX or 3/4 mode and power open the liftgate.
  2. Stop the liftgate movement at the desired height by pressing any liftgate switch. Manually adjust the liftgate position if needed.
  3. Press and hold GMC Terrain. Setting the 3/4 Mode next to the pull cup on the bottom of the liftgate until the turn signals flash and a beep sounds. This indicates the setting has been recorded.

The liftgate cannot be set below a minimum programmable height. If there is no light flash or sound, then the height adjustment may be too low.

    Obstacle Detection Features

    If the liftgate encounters an obstacle during a power open or close cycle, the liftgate will automatically reverse direction and move a short distance away from the obstacle...

    Manual Operation

    Select OFF to manually operate the liftgate. Caution Attempting to move the liftgate too quickly and with excessive force may result in damage to the vehicle...

    Other information:

    GMC Terrain 2018-2023 Owners Manual: Midlevel DIC


    Info Page Options The info pages on the DIC can be turned on or off through the Options menu. Press to access the cluster applications. Press or to scroll to the Options application. Press to enter the Options menu. Scroll to Info Pages and press ...

    GMC Terrain 2018-2023 Owners Manual: Automatic Transmission


    The shift switches are on the center stack. The selected gear position will illuminate red on the shift switch, while all others will be displayed in white. If the shift is not immediate, as in very cold conditions, the indicator on the shift switch may blink until it is fully engaged...

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