Buick 2005 Century - Manual (Page 127)

5. Remove the hood weather-strip from the
passenger’s side of the vehicle and peel it back
halfway to the center of the hood.
6. Remove the three air inlet grille retainers.
7. Remove the air inlet grille.
8. Replace 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 6-14 for the type of filter to use. Make sure it
slides under the compartment retainers.
10. Reverse Steps 1 through 7.
3-27