GMC Terrain: Power Liftgate 3/4 Mode - Doors Liftgate - Keys and Locks - Keys, Doors, and Windows - GMC Terrain Owner's ManualGMC Terrain: Power Liftgate 3/4 Mode

To program the liftgate opening height:

1. Turn the liftgate switch to either the MAX , or the 3/4 mode position 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 required.

3. Press and hold the button on the liftgate adjacent to the latch until the turn signals flash and a beep sounds to indicate that the new setting is recorded.

When power opened with the 3/4 mode selected, the liftgate stops at the new set position.

If there is no audible and visual feedback when setting the intermediate stop position, the liftgate height is being set below the 3/4 open height minimum (approximately 1.5 m or 5 ft). The liftgate cannot be set below that minimum and the new setting will not be recorded.

    Obstacle Detection Features
    If the liftgate encounters an obstacle during a power open or close cycle, a warning chime will sound and the liftgate will automatically reverse direction to the full closed or open position. Aft ...

    Manual Operation of Power Liftgate
    To change the liftgate to manual operation, turn the mode switch to the OFF position. With the power liftgate disabled and all of the doors unlocked, the liftgate can be manually opened and closed. ...

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