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Outlet Adjustment
Use the thumbwheels located next to and below the air
outlets to change the direction of the airflow and to
open and close the outlets.
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 the 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 the vehicle more
effectively.
Passenger Compartment Air Filter
The filter removes dust and pollen from the air which is
drawn into the vehicle. Airflow reduction is an
indication that the filter needs to be replaced.
The filter should be replaced as part of routine
scheduled maintenance. See Scheduled Maintenance
on page 6-4 for replacement intervals. To find out
what type of filter to use, see Maintenance Replacement
Parts on page 6-14.
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