1999 Buick Regal Owner's Manual - Page 259

yellowblue Passenger Compartment Air Filter The passenger compartment air filter is located underneath your hood just below the windshield wiper arm on the passenger side (underneath the air inlet grille) of the vehicle. 2. Raise the hood. 3. Remove (disconnect) the windshield washer pump hose from the fender rail and air inlet grille. 4. Reposition the hood weatherstrip from the passenger's side of the vehicle (peel back halfway to center). 5. Remove (disconnect) the air inlet grille retainers. 6. Remove (disconnect) the air inlet grille. 7. Remove (disconnect) the passenger compartment air filter. 8. Then install the new air filter. For the type of filter to use, see "Normal Maintenance Replacement Parts" in the Index. 9. Reposition the air inlet grille. 10. Replace the air inlet grille retainers. 11. Reposition the hood weatherstrip. 12. Reconnect the windshield washer pump hose to the fender rail and air inlet grille. 13. Close the hood. 14. Return the windshield wipers to the park position. The filter traps most of the pollen from the air entering the air conditioning module. Like your engine's air cleaner filter, it may need to be changed periodically. For information on how often to change the passenger compartment air filter, see "Maintenance Schedule" in the Index. To change the passenger compartment air filter, use the following steps: 1. Turn off the ignition when the windshield wipers are in the up position. 6-19