Rear Window Defogger - Cadillac 1999 DeVille Owner's Manual

With the digital cluster climate control panel, press the
DEFOG button and adjust the fan speed by pressing the
fan button up or down. If you use DEFROST, adjust the
fan speed the same way. If you select DEFROST from
AUTO, the system will control the fan speed. The
temperature will also need to be adjusted to your comfort
level. Press the blue button to decrease the temperature
and the red button to increase the temperature.
If your vehicle has a console climate control panel
(which is standard with the analog cluster), press the
MODE button to select DEFROST. Adjust the fan speed
by pressing the fan button up or down. If you select
DEFROST from AUTO, the system will control the fan
speed. The temperature also needs to be adjusted by
turning the TEMP/AUTO knob.
Note that recirculation is not available in the defrost
or defog modes.

Rear Window Defogger

The system will automatically shut off after 10 minutes.
If further defogging is desired, press the button again.
Do not attach a temporary vehicle license, tape or decals
across the defogger grid on the rear window.
NOTICE:
Don't use a razor blade or something else sharp
on the inside of the rear window. If you do, you
could cut or damage the warming grid or the
integrated rear window antenna, and the repairs
wouldn't be covered by your warranty.
yellowblue
The lines you see on the
rear window warm the
glass. Press this button to
turn on the rear defogger.
With it, the rear window
and both outside rearview
mirrors are heated.
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