2010 Pontiac Vibe Owner's Manual - Page 202

9-18 Vehicle Care { 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. 2.4L Engine 1. Release the three clips that hold the cover. 2. Lift the cover. 3. Inspect or replace the engine air cleaner/filter. 4. Reinstall the cover.