GMC Yukon XL Denali Owner's Manual page 42

2-10 Keys, Doors, and Windows
The liftglass or liftgate cannot be
opened if the rear wiper is in motion.
Attempting to open the liftglass or
liftgate while the rear wiper is in
motion will cause the release of the
liftglass or liftgate to delay until the
wipers are parked off the liftglass.
Manual Liftgate Operation
To unlock the liftgate, press
the power door lock switch or press
on the Remote Keyless Entry
(RKE) transmittertwice, see Remote
Keyless Entry (RKE) System
Operation on page 2 3.
Press the touch pad on the
underside of the liftgate handle (B)
and lift up.
Use the pull cup to lower and close
the liftgate. Do not press the touch
pad while closing the liftgate. This
will cause the liftgate to be
unlatched.
Power Liftgate Operation
On vehicles with a power liftgate,
the switch is on the overhead
console.
The vehicle must be in P (Park) to
use the power feature. The taillamps
will flash and a chime will sound
when the power liftgate moves.
Exhaust gases can enter the
on
vehicle if it is driven with the
liftgate, trunk/hatch open, or with
any objects that pass through the
seal between the body and the
trunk/hatch or liftgate. Engine
WARNING
(Continued)
WARNING (Continued)
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 and
set the fan speed to the
highest setting. See Climate
Control System in the Index.
If the vehicle is equipped with
a power liftgate, disable the
power liftgate function.
For more information about
carbon monoxide, see Engine
Exhaust on page 9 27.