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0 (Defrost): Turn the control to this mode to direct
most of the air to the windshield and the side window
outlets. In this mode, the system automatically turns off
recirculation and runs the air conditioning compressor,
unless the outside temperature is at or below freezing.
Recirculation cannot be selected while in the defrost
mode. Do not drive the vehicle until all the windows
are clear.
For professional vehicles, air will be allowed to flow
through the rear outlets. For quicker defrost, press the
AUX button on the front climate control system so
that the light is not lit.
Rear Window Defogger
The rear window defogger uses a warming grid to
remove fog or frost from the rear window.
< (Rear Defogger): Press the center of the right
control to turn the rear window defogger on or off.
Be sure to clear as much snow from the rear window
as possible. The rear window defogger will turn off
approximately 20 minutes after the button is pressed
if your vehicle is moving at slower vehicle speeds.
At higher vehicle speeds, the rear defogger may stay
on continuously. Each additional press will run the
defogger for approximately 10 minutes.
The heated outside rearview mirrors will heat to help
clear fog or frost from the surface of the mirror when
the rear window defogger is on.
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
For the front outlets, use the thumbwheel located
below each outlet to change the direction of the airflow.
Use the thumbwheel located next to the outlets to shut
the airflow or to open the outlets and re-direct the air.
For the rear outlets, slide the lever left or right and up
or down to change the direction of the 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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