Buick LaCrosse: When to Inspect the Engine Air 
Cleaner/Filter - Engine Air Cleaner/Filter - Vehicle Checks - Vehicle Care - Buick LaCrosse Owners ManualBuick LaCrosse: When to Inspect the Engine Air Cleaner/Filter

Inspect the air cleaner/filter at the scheduled maintenance intervals and replace it at the first oil change after each 80 000 km (50,000 mi) interval. See Maintenance Schedule for more information.

If you are driving in dusty/dirty conditions, inspect the filter at each engine oil change.

    Engine Air Cleaner/Filter
    The engine air cleaner/filter is located in the engine compartment on the driver side of the vehicle. See Engine Compartment Overview for more information on location. ...

    How to Inspect the Engine Air Cleaner/Filter
    To inspect the air cleaner/filter, remove the filter from the vehicle and lightly shake the filter to release loose dust and dirt. If the filter remains covered with dirt, a new filter is re ...

    See also:

    If the engine will not start
    If the engine will not start even though correct starting procedures are being followed, consider each of the following points: ■ The engine will not start even though the starter motor o ...

    Emergency Tensioning Devices, belt force limiters
    The front seat belts and the outer seat belts in the rear are equipped with ETDs and seat belt force limiters. The ETDs tighten the seat belts in an accident, pulling them close against the bod ...

    Remote keyless entry system operations
    Lock (1) All doors are locked if the lock button is pressed. If all doors, trunk and hood are closed, the hazard warning lights will blink once to indicate that all doors are locked. Also, if ...