Ventilation System - Cadillac 2001 DeVille Owner's Manual

Ventilation System

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Your vehicle's flow through ventilation system supplies
outside air into the vehicle when it is moving. Outside
air will also enter the vehicle when the heater or the air
conditioning fan is running.
The front outlets are located in the center and at each
side of the instrument panel. You can adjust the
direction of airflow by moving the center control levers
or you can stop the airflow by moving the thumbwheels
located on each side of the outlets downward.
Ventilation Tips
D
Keep the hood and front air inlet free of ice, snow or
any other obstruction (such as leaves). The heater
and defroster will work far better, reducing the
chance of fogging the inside of the windows.
D
Keep the air path under the front seats clear of
objects. This helps circulate air throughout
your vehicle.
Passenger Compartment Air Filter
This ventilation system includes a charcoal air filter that
helps to remove dust, pollen, etc. from the air flowing
into your vehicle. A restriction in the airflow coming
into the passenger compartment could be the result of
dirt in the filter. For more information, see "Passenger
Compartment Air Filter Replacement" in the Index.
Also see the Maintenance Schedule booklet for when to
change the filter.
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