Defogging And Defrosting - Pontiac Montana SV6 2007 Owner's Manual

Defogging and Defrosting

Fog on the inside of windows is a result of high
humidity, or moisture, condensing on the cool
window glass. This can be minimized if the climate
control system is used properly. There are two
modes to clear fog or frost from your windshield.
Use the defog mode to clear the windows of fog or
moisture and warm the passengers. Use the defrost
mode to remove fog or frost from the windshield
more quickly.
Turn the right knob to select the defog or
defrost mode.
-
(Defog): This mode directs air to the windshield
and the floor outlets. When this mode is selected,
the system runs the air conditioning compressor
unless the outside temperature is at or below
freezing.
The recirculation mode cannot be selected while in
the defog mode.
0
(Defrost): This mode 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 run the air
conditioning compressor, unless the outside
temperature is at or below freezing.
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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 from the rear window.
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(Rear Window Defogger): Press this button
to turn the rear window defogger on or off. An
indicator light in the button will come on to let you
know that the rear window defogger is activated.
The rear window defogger will turn off about
10 minutes after the button is pressed. If turned
on again, the defogger will only run for about
five 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 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.