GMC 2012 Terrain Owner's Manual page 44

2-12 Keys, Doors, and Windows
8
Press and release
liftgate adjacent to the latch to
close the liftgate.
Pressing any button, or the
touchpad switch, while the liftgate is
moving stops it. Pressing the button
or RKE switch again reverses the
direction. The touchpad switch
will stop the liftgate from moving.
There is a minimum distance that
the power liftgate must already be
open for the system to hold it open.
If movement is stopped below that
minimum, the liftgate closes.
Do not force the liftgate open or
closed during a power cycle.
on the
The power liftgate may be
temporarily disabled under
extreme temperatures or low
battery conditions. If this occurs,
the liftgate can still be operated
manually.
If you shift the transmission out of
P (Park) while the power function
is in progress, the liftgate power
function will continue to completion.
If you shift the transmission out of
P (Park) and accelerate before the
power liftgate latch is closed, the
liftgate may reverse to the open
position. Cargo could fall out of
the vehicle. Always make sure the
power liftgate is closed and latched
before you drive away.
If you power open the liftgate and
the liftgate support struts have lost
pressure, the turn signals flash
and a chime sounds. The liftgate
stays open temporarily, then slowly
closes. See your dealer for service
before using the liftgate.