Buick LaCrosse 2011 Owner's Manual page 249

Climate Controls 8-9
5. Pull the three tabs to release 6. Remove the old air filter.
and open the filter door.
7. Install the new air filter.
8. Reinstall the air filter door.
Re install the glove box.
See your dealer if additional
assistance is needed.
I n f o r ma t i o n P r o v i d e d b y :