Outlet AdjustmentUse the thumbwheel to open or close the outlets.Operation Tips• Clear away any ice, snow or leaves from theair inlets at the base of the windshield thatmay block the flow of air into your vehicle.• Use of non-GM approved hood deflectors mayadversely affect the performance of thesystem.• Keep the area around the base of theinstrument panel console and air path underthe seats clear of objects to help circulatethe air inside of your vehicle more effectively.Passenger Compartment Air FilterThe passenger compartment air filter removescertain particles from the air, including pollen anddust particles. Reductions in airflow, whichmay occur more often in dusty areas, indicate thatthe filter may need to be replaced early.The filter should be replaced as part of the routinescheduled maintenance. See ScheduledMaintenance on page 465 for more information.To check or replace the air filter, do the following:1. With the hood open, unlatch and removethe access panel.The passenger compartment air filter andaccess panel are located on the passenger’sside of the engine compartment near thebattery. See Engine Compartment Overviewon page 374 for more information on location.2. Pull the old filter out of the housing.3. Insert the new filter into the housing.4. Reinstall the air filter access panel.184
