GMC Terrain: Keys and Locks / 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. To
use the safety lock:
- Move the lever down to the
lock position.
- Close the door.
- Do the same for the other
rear door.
To open a rear door when the safety
lock is on:
- Unlock the door by activating
the inside handle, by pressing
the power door lock switch,
or by using the Remote
Keyless Entry (RKE)
transmitter.
- Open the door from the
outside.
When the safety lock is enabled,
adults and older children will not be
able to open the rear door from the
inside. Cancel the safety locks to
enable the doors to open from the
inside.
To cancel the safety lock:
- Unlock the door and open it
from the outside.
- Move the lever up to unlock.
Do the same for the other door.
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...
Other information:
If equipped, OnStar provides these
services:
With Stolen Vehicle Assistance,
OnStar Advisors can use GPS to
pinpoint the vehicle and help
authorities quickly recover it.
With Remote Ignition Block,
if equipped, OnStar can block
the engine from being restarted.
With Stolen Vehicle Slowdown,
if equipped, OnStar can work
with law enforcement to
gradually slow the vehicle down.
T..
Warning
The power seats will work with
the ignition off. Children could
operate the power seats and be
injured. Never leave children
alone in the vehicle.
To adjust a power seat, if equipped:
Move the seat forward or
rearward by sliding the control
forward or rearward.
Raise or lower the front part of
the seat cushion by moving the
front of the control up or down.
Raise or lower t..