Cadillac 2004 DeVille, Owner'S Manual

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FRONT (Defrost): Pressing FRONT directs most of
the air to the windshield and the side window outlets, with
some air directed to the floor outlets. In this mode, the
system will automatically turn off recirculation and run 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.
Rear Window Defogger
The rear window defogger uses a warming grid to
remove fog or frost from the rear window.
The rear window defogger will only work when the
ignition is in ON.
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REAR: Press this button 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
10 minutes after the button is pressed. If turned on again,
the defogger will only run for approximately five minutes
before turning off. The defogger can also be turned off by
pressing the button again or by turning off the engine.
The heated outside rearview mirrors will heat to help
clear fog or frost from the surface of the mirror when the
REAR button is pressed.
Notice: Using a razor blade or sharp object to clear
the inside rear window may damage the rear
window defogger. Repairs would not be covered by
your warranty. Do not clear the inside of the rear
window with sharp objects.
Outlet Adjustment
Use the levers located in the center of each outlet to
change the direction of the airflow. Use the thumbwheels
to open or close the outlets.
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