2012 Buick LaCrosse Owner Manual - Page 352

10-14 Vehicle Care 5. Lower the filter cover housing toward the engine. 6. Install the six screws on the top of the housing to lock the cover in place. 3.6L V6 Engine 4. Inspect or replace the engine air cleaner/filter. 5. Lower the filter cover housing toward the engine. 6. Install the screws on the top of the housing to lock the cover in place. To inspect or replace the engine air cleaner/filter: 2.4L L4 Engine { WARNING Operating the engine with the air cleaner/filter off can cause you or others to be burned. The air cleaner not only cleans the air; it helps to stop flames if the engine backfires. Use caution when working on the engine and do not drive with the air cleaner/filter off. 1. Remove the screws on top of the engine air cleaner/filter housing. 2. Lift the filter cover housing away from the engine. 3. Pull out the filter. Notice: If the air cleaner/filter is off, dirt can easily get into the engine, which could damage it. Always have the air cleaner/filter in place when you are driving. 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 filter. 4. Inspect or replace the engine air cleaner/filter.