GMC Terrain: Initial Drive Information / Liftgate
Manual Liftgate Operation
Unlock the vehicle before opening the liftgate.
To open the liftgate, press the touch pad on the bottom of the liftgate and lift up.
Do not press the touch pad while closing the liftgate. This may cause the liftgate to be unlatched.
Power Liftgate Operation
If equipped with a power liftgate, the switch is usually on the driver door. The switch can also be on the overhead console. The vehicle must be in P (Park).
Choose the power liftgate mode by
turning the dial on the switch to
either the 3/4 or MAX position.
Press 
to open or close the
liftgate.
Hands-Free Liftgate The liftgate will not operate if the RKE transmitter is not within 1 m (3 ft).
To operate, kick your foot straight up in one swift motion under the rear bumper between the left exhaust pipe and the license plate, then pull it back.
Door Locks
To lock or unlock the vehicle from
the outside, press or
on the
Remote Keyless Entry (RKE)
transmitter.
: Press to lock the doors.
: Press to unlock the doors...
Windows
The power windows work when the
ignition is on, in ACC/ACCESSORY,
or when Retained Accessory Power
(RAP) is active.
Using the window switch, press to
open or pull to close the window...
Other information:
GMC Terrain 2018-2025 Owners Manual: Running Out of Fuel (Diesel)
Warning Diesel fuel is flammable. It could start a fire if something ignites it, and people could be burned. Do not let it get on hot engine parts, and keep matches or other ignition sources away. If the engine has stalled due to running out of fuel, add at least 7...
GMC Terrain 2018-2025 Owners Manual: Park Brake and P (Park) Mechanism Check
Warning When you are doing this check, the vehicle could begin to move. You or others could be injured and property could be damaged. Make sure there is room in front of the vehicle in case it begins to roll. Be ready to apply the regular brake at once should the vehicle begin to move...
