GMC Terrain 2018 Owner's Manual page 44

OFF: Opens manually only.
To power open or close the liftgate,
select MAX or 3/4 mode.
b
Press twice quickly on the
RKE transmitter until the liftgate
moves.
Press on the driver door.
The driver door must either be
unlocked or locked without the
security armed.
Press the touch pad on the
bottom of the liftgate after
unlocking all doors. If equipped
with Keyless Access, the RKE
transmitter must be within
1 m (3 ft).
Press on the bottom of the
liftgate next to the pull cup to
close.
Press any liftgate button or the
touch pad while the liftgate is
moving to stop it. Pressing again
restarts the operation in the reverse
direction. The touch pad on the
liftgate handle cannot be used to
close the liftgate.
Keys, Doors, and Windows
Caution
Manually forcing the liftgate to
open or close during a power
cycle can damage the vehicle.
Allow the power cycle to
complete.
The power liftgate may be
temporarily disabled under extreme
low temperatures, or after repeated
power cycling over a short period of
time. If this occurs, the liftgate can
still be operated manually.
If the vehicle is shifted out of
P (Park) while the power function is
in progress, the liftgate will continue
to completion. If the vehicle is
accelerated before the liftgate has
completed moving, the liftgate may
stop or reverse direction. Make sure
the liftgate is closed and latched
before driving.
Falling Liftgate Detection
If the power liftgate automatically
closes after a power opening cycle,
it indicates that the system is
reacting to excess weight on the
43