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

To inspect or replace the engine air cleaner/filter:

    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 inform ...

    2.4L L4 Engine
    2.4L L4 Engine 1. Remove the six screws on top of the engine air cleaner/filter housing. 2. Lift the filter cover housing away from the engine air cleaner/filter housing. 3. Pull out the ...

    See also:

    Safety Belt Extender
    If the vehicle's safety belt will fasten around you, you should use it. But if a safety belt is not long enough, your dealer will order you an extender. When you go in to order it, take the heaviest ...

    Ignition Transmission Lock Check
    While parked, and with the parking brake set, try to turn the ignition to LOCK/OFF in each shift lever position. ► For automatic transmission vehicles, the ignition should turn to LOCK/OFF only ...

    Exhaust check
    WARNING Inhalation of exhaust gas is hazardous to your health. All exhaust gas contains carbon monoxide (CO), and inhaling it can cause unconsciousness and possible death. Do not run the e ...