2005 Buick LaCrosse Owner's Manual - Page 143

To change the passenger compartment air filter, use the following steps: 1. Turn the ignition to ACCESSORY and turn the windshield wipers on. 2. Turn the ignition to OFF when the windshield wipers are in the upright position. 3. Raise the hood. 4. Disconnect the windshield washer pump hose from the fender rail and air inlet grille. 5. Peel back the hood weather-strip from the passenger's side of the vehicle halfway to the center of the hood. 8. Remove the old air filter by pulling up on its tab. 9. Install a new passenger compartment air filter. See Normal Maintenance Replacement Parts on page 6-13 for the type of filter to use. Make sure it slides under the compartment retainers. 10. Reverse Steps 1 through 7. 6. Remove the three air inlet grille retainers. 7. Remove the air inlet grille. 3-29