Doors; Liftgate - GMC Terrain 2018 Owner's Manual

3. Do the same for the other
rear door.
To open a rear door when the safety
lock is on:
1. Unlock the door by activating
the inside handle, by pressing
the power door lock switch,
or by using the Remote
Keyless Entry (RKE)
transmitter.
2. 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:
1. Unlock the door and open it
from the outside.
2. Move the lever up to unlock.
Do the same for the other door.

Doors

Liftgate

Warning
Exhaust gases can enter the
vehicle if it is driven with the
liftgate or trunk/hatch open,
or with any objects that pass
through the seal between the
body and the trunk/hatch or
liftgate. Engine exhaust contains
carbon monoxide (CO) which
cannot be seen or smelled. It can
cause unconsciousness and even
death.
If the vehicle must be driven with
the liftgate or trunk/hatch open:
Close all of the windows.
Fully open the air outlets on
or under the instrument
panel.
Adjust the climate control
system to a setting that
brings in only outside air
(Continued)
Keys, Doors, and Windows
Warning (Continued)
and set the fan speed to the
highest setting. See
Climate Control Systems
in the Index.
If the vehicle is equipped
with a power liftgate, disable
the power liftgate function.
See Engine Exhaust 0 192.
Caution
To avoid damage to the liftgate or
liftgate glass, make sure the area
above and behind the liftgate is
clear before opening it.
Manual Liftgate
To unlock the liftgate, press
the power door lock switch or
press on the Remote Keyless
Entry (RKE) transmitter twice within
five seconds. See Remote Keyless
Entry (RKE) System Operation 0 29.
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