Hummer 2005 H2 - Manual (Page 89)

Lockout Protection
This feature protects you from locking your key in the
vehicle when the key is in the ignition and a door
is open.
If the power lock switch is pressed when a door is open
and the key is in the ignition, all of the doors will lock
and then the driver’s door will unlock.
Liftgate (SUV)
{ CAUTION:
It can be dangerous to drive with the liftgate
open because carbon monoxide (CO) gas can
come into your vehicle. You can not see or
smell CO. It can cause unconsciousness and
even death. If you must drive with the liftgate
open or if electrical wiring or other cable
CAUTION: (Continued)
CAUTION: (Continued)
connections must pass through the seal
between the body and the liftgate:
• Make sure all other windows are shut.
• Turn the fan on your heating or cooling
system to its highest speed and select the
control setting that will force outside air
into your vehicle. See Dual Automatic
Climate Control System on page 3-19.
• If you have air outlets on or under the
instrument panel, open them all the way.
See Engine Exhaust on page 2-39.
To unlock the liftgate, press the unlock button on any of
the power door lock switches or the remote keyless
entry transmitter.
Open the liftgate by pulling the handle located in the
center of the door.
To lock the liftgate, press the lock button on any of the
power door lock switches or the remote keyless
entry transmitter.
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