GMC Terrain: Doors / 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.
Operate the liftgate manually with a smooth motion and moderate speed. The system includes a feature which limits the manual closing speed to protect the components.
To open the liftgate, press 
on
the
power door lock switch or press 
on the RKE transmitter twice to
unlock all doors. Press the touch
pad on the underside of the liftgate
handle and lift up.
Use the pull cup to lower and close the liftgate. Do not press the touch pad while closing the liftgate. This will cause the liftgate to be unlatched.
The liftgate can be opened when locked if the RKE transmitter is within 1 m (3 ft) of the touch pad. See Remote Keyless Entry (RKE) System Operation.
The liftgate has an electric latch. If the battery is disconnected or has low voltage, the liftgate will not open. The liftgate will resume operation when the battery is reconnected and charged.
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...
Hands-Free Operation
The liftgate may be operated with a
kicking motion under the rear
bumper between the left exhaust
pipe and the license plate.
The RKE transmitter must be within
1 m (3 ft) of the rear bumper to
operate the power liftgate
hands-free...
Other information:
GMC Terrain 2018-2026 Owners Manual: Diesel Particulate Filter
The engine is equipped with a Diesel Particulate Filter (DPF) that will filter or trap particulates. The DPF is under the vehicle in the exhaust system. Depending on a number of factors monitored by the engine computer, the DPF will need to be cleaned of accumulated solids...
GMC Terrain 2018-2026 Owners Manual: Certification/Tire Label
Label Example A vehicle-specific Certification/ Tire label is attached to the center pillar (B-pillar). The label may show the size of the vehicle's original tires and the inflation pressures needed to obtain the gross weight capacity of the vehicle...
