GMC Terrain: Doors / Setting the 3/4 Mode

GMC Terrain 2018-2024 Owners Manual / Keys, Doors, and Windows / Doors / Setting the 3/4 Mode

To change the position the liftgate stops at when opening:

Select MAX or 3/4 mode and power open the liftgate.
Stop the liftgate movement at the desired height by pressing any liftgate switch. Manually adjust the liftgate position if needed.
Press and hold 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 2018-2024 Owners Manual: Selecting the Follow Distance Gap

When a slower moving vehicle is detected ahead within the selected following gap, ACC will adjust the vehicle's speed and attempt to maintain the follow distance gap selected. Press on the steering wheel to adjust the following gap. Each press cycles the gap button through three settings: Far, Medium, or Near...

GMC Terrain 2018-2024 Owners Manual: Antilock Brake System (ABS) Warning Light

For vehicles with the Antilock Brake System (ABS), this light comes on briefly when the engine is started. If the light does not come on, have it fixed so it will be ready to warn if there is a problem. If the ABS light comes on and stays on while driving, stop as soon as possible and turn the ignition off...

Tire Pressure Light

GMC Terrain. Tire Pressure Light

For vehicles with the Tire Pressure Monitor System (TPMS), this light comes on briefly when the engine is started. It provides information about tire pressures and the TPMS.