1999 Chevrolet Prizm Owner's Manual - Page 235

yellowblue To check or replace the 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 stops flame if the engine backfires. If it isn't there, and the engine backfires, you could be burned. Don't drive with it off, and be careful working on the engine with the air cleaner/filter off. NOTICE: 1. Release the two clips that hold the cover down. 2. Lift the cover off. 3. Pull out the air filter. 4. Install the new air filter. 5. Reverse steps 1 through 3 to reassemble the air cleaner assembly. Refer to the Maintenance Schedule to determine when to replace the air filter. See "Scheduled Maintenance Services" in the Index. If the air cleaner/filter is off, a backfire can cause a damaging engine fire. And, dirt can easily get into your engine, which will damage it. Always have the air cleaner/filter in place when you're driving. 6-17