GMC Terrain: Doors / Setting the 3/4 Mode

GMC Terrain 2018-2025 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 2018-2025 Owners Manual: Vehicle Load Limits

It is very important to know how much weight the vehicle can carry. This weight is called the vehicle capacity weight and includes the weight of all occupants, cargo, and all nonfactory-installed options. Two labels on the vehicle may show how much weight it may properly carry, the Tire and Loading Information label and the Certification/Tire label...

GMC Terrain 2018-2025 Owners Manual: 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...

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.