Rear Window Defogger
The rear window defogger uses a warming grid to
remove fog from the rear window.
<: The rear window defogger will turn off
automatically after it has been activated for
10 minutes. It can be turned off manually, by
pressing the button again or by turning the ignition
to the OFF position. If additional window clearing
is required, the rear window defogger can be
turned on again for additional window clearing. The
length of defogger operation will increase if the
vehicle is being driven.
If your vehicle has heated outside rearview
mirrors, the mirrors will heat to help clear fog or
frost from the surface of the mirror when the
rear window defog button is pressed. See Outside
Power Mirrors on page 124.
Do not drive the vehicle until all the windows
are clear.
Notice: Do not use anything sharp on the
inside of the rear window. If you do, you could
cut or damage the warming grid, and the repairs
would not be covered by your warranty. Do not
attach a temporary vehicle license, tape, a decal
or anything similar to the defogger grid.
Outlet Adjustment
Use the knob located below or to the side of the
outlet, to change the direction of the air flow.
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 your
vehicle more effectively.
• If the airflow seems low when the fan is at the
highest setting, the passenger compartment air
filter, if equipped, may need to replaced. For
more information, see Passenger Compartment
Air Filter on page 169 and Scheduled
Maintenance on page 406.
168
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