GMC 2007 Savana - Manual (Page 162)

Rear Window Defogger
Some vehicles may have a rear window defogger.
< R. DEF (Rear Defrost): Press this button
to turn the rear window defogger on or off. Be sure
to clear as much snow from the window as
possible.
The rear window defogger uses a warming grid to
remove fog or frost from the rear window and
will only work when the ignition is RUN.
The rear window defogger will turn off
several minutes after the button is pressed. If
turned on again, the defogger will run for several
more minutes before turning off. The defogger
can also be turned off by pressing the button again
or by turning off the engine.
Notice: Do not use a razor blade or sharp
object to clear the inside rear window. Do not
adhere anything to the defogger grid lines
in the rear glass. These actions may damage
the rear defogger. Repairs would not be
covered by your warranty.
Outlet Adjustment
Use the outlets located near the center and on the
sides of the instrument panel to change the
direction of airflow.
Operation Tips
• Clear away any ice, snow or leaves from the
air inlets at the base of the windshield that
may block the flow of air into your vehicle.
• Use of non-GM approved hood deflectors may
adversely affect the performance of the
system.
• Keep the path under the front seats clear of
objects to help circulate the air inside of
your vehicle more effectively.
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