GMC 2010 Acadia Owner's Manual page 41

WARNING
You or others could be injured if
caught in the path of the power
liftgate. Make sure there is no one
in the way of the liftgate as it is
opening and closing.
If you open the liftgate
without checking for overhead
obstructions such as a garage
door, you could damage the
liftgate or the liftgate glass.
Always check to make sure the
area above and behind the liftgate
is clear before opening it.
The power liftgate can be power
opened and closed in the
following ways:
Press and hold the power liftgate
button on the RKE transmitter
until the liftgate starts moving.
Power Liftgate Button on Center
Console
Press the liftgate button on the
center console.
Press the touchpad switch on
the outside liftgate handle.
Pressing the buttons or touchpad
switch a second time while the
liftgate is moving reverses the
direction.
Keys, Doors and Windows
Power Liftgate Button near
Liftgate Latch
The liftgate can also be closed by
pressing the power liftgate button
next to the liftgate latch. Press the
button a second time during liftgate
operation to reverse the operation.
The power liftgate may be
temporarily disabled under extreme
temperatures or under low battery
conditions. If this occurs, the liftgate
can still be operated manually.
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