2009 Chevrolet Aveo Owner's Manual - Page 228

To inspect or replace the air cleaner/filter: { CAUTION: 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. If it is not there and the engine backfires, you could be burned. Do not drive with it off, and be careful working on the engine with the air cleaner/filter off. Notice: If the air cleaner/filter is off, a backfire can cause a damaging engine fire. And, dirt can easily get into the engine, which will damage it. Always have the air cleaner/filter in place when you are driving. 1. Remove the screws and lift off the cover. 2. Inspect or replace the engine air cleaner/filter. 3. Put the cover back on tightly and tighten the screws. See Additional Required Services on page 6-6 for replacement intervals. 5-20