1996 Pontiac Grand Prix Owner's Manual - Page 244

Automatic Transaxle Fluid When to Check and Change Operating the engine withthe air cleaner off can cause you or others to be burned. The air cleaner not only cleans air, it stops flame if the,engine the backfires. I it isn't there, and the engine f backfires, you could beburned. Don't drive with it off, and be careful working on the engine with the air cleaner off. A good time tocheck your automatic transaxle fluid level is when the engineoil is changed. Change both the fluid and filter every 50,000 miles (83 000 k ) the vehicle is mainly driven under one or m if more of these conditions: 0 In heavy city traffic where the outside temperature regularly reaches 90°F (32"C) or higher. 0 In hilly or mountainous terrain. When doing frequent trailer towing. I NOTICE: If the air cleaner is off, a backfire can cause a damaging engine fire. And, can easily get dirt into your engine, which will damage it. Always have the air cleaner in place when you're driving. 0 Uses such as found in taxi, police or delivery service. 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.