GMC Terrain: Keys and Locks / Lockout Protection
If the ignition is on or in ACC/ ACCESSORY and the power door lock switch is pressed with the driver door open, all the doors will lock and only the driver door will unlock.
If the vehicle is off and locking is requested while a door is open, when all doors are closed the vehicle will check for RKE transmitters inside. If an RKE transmitter is detected and the number of RKE transmitters inside has not reduced, the driver door will unlock and the horn will chirp three times.
Lockout Protection can be manually
overridden by pressing and holding
on the power door lock switch.
Open Door Anti-Lockout
If Open Door Anti-Lockout is turned on and the vehicle is off, the driver door is open, and locking is requested, all the doors will lock and the driver door will remain open. Press the button again to lock the driver door. The Open Door Anti-Lockout feature can be turned on or off. See Vehicle Personalization.
Automatic Door Locks
The doors will lock automatically
when all doors are closed, the
ignition is on, and the vehicle is
shifted out of P (Park).
If a vehicle door is unlocked and
then opened and closed, the doors
will lock either when your foot is
removed from the brake or the
vehicle speed becomes faster than
13 km/h (8 mph)...
Safety Locks
The rear door safety locks prevent
passengers from opening the rear
doors from inside the vehicle.
Manual Safety Locks
If equipped, the safety lock is on the
inside edge of the rear doors...
Other information:
GMC Terrain 2018-2026 Owners Manual: Rear Compartment Fuse Block
The rear compartment fuse block is behind a trim panel on the side of the rear compartment. Remove the trim plate to access the fuse block. The vehicle may not be equipped with all of the fuses and relays shown. Fuses Usage F1 Exhaust fuel heater F2 Liftgate F3 Trailer au..
GMC Terrain 2018-2026 Owners Manual: Battery - North America
The original equipment battery is maintenance free. Do not remove the cap and do not add fluid. Refer to the replacement number shown on the original battery label when a new battery is needed. See Engine Compartment Overview for battery location. For replacement of the battery, see your dealer. The vehicle has an Absorbed Glass Mat (AGM) 12-volt battery. Installation of a standard 12-volt..
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Categories
Vehicle Personalization
The following are all possible vehicle personalization features. Depending on the vehicle, some may not be available.
For System, Apps, and Personal features and functions, see “Settings” in the infotainment manual.
To access the vehicle personalization menu:
Touch the Settings icon on the Home Page of the infotainment display. Touch Vehicle to display a list of available options. Touch to select the desired feature setting. Touch
or R to turn a
feature
off or on.
Touch 
to go to the top
level
of the Settings menu.
