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: Vehicle Alarm System
This vehicle has an anti-theft alarm system. The indicator light, on the instrument panel near the windshield, indicates the status of the system: Off : Alarm system is disarmed. On Solid : Vehicle is secured during the delay to arm the system. Fast Flash : Vehicle is unsecured...
GMC Terrain 2018-2025 Owners Manual: Airbag Readiness Light
This light shows if there is an electrical problem with the airbag system. The system check includes the airbag sensor(s), the passenger sensing system, the pretensioners, the airbag modules, the wiring, and the crash sensing and diagnostic module...