1997 Chevrolet Cavalier Owner's Manual - Page 260

A CAU'LOA .: Operating theengine withthe aircleaner off can causeyou or others to burned. The air be if cleaner not only cleans theair, it stops flame the engine backfires. If it isn't there,and the engine backfires, you could be burned. Don't on drive with it off, and be careful working the engine with the cleaner off. air Automatic Transaxle Fluid (Except 2.4L Code T Engine) When to Check and Change A good timeto check your automatic transaxlefluid level is when the engine oil changed. is Change both the fluid and filter every 50,000 miles (83 000 km) if the vehicle is mainly driven under or one more of these conditions: In heavy city traffic where the outside temperature regularly reaches90 O (32O C) or higher. F 0 In hilly or mountainous terrain. When doing frequent trailer towing. Uses such as found in taxi, police or delivery service. NOTICE: 0 If the air cleaner off, a backfire can cause is a damaging engine fire. And,dirt caneasily get into your engine, which damage it. Always will have theair cleaner in place when you're driving. If you do not use your vehicle under any of these conditions, the fluid and filter do not require changing. See "Scheduled Maintenance Services" in the Index.