1998 Pontiac Firebird Owner's Manual - Page 338

I Short TripKity Maintenance Schedule I ACTUAL 1 MILEAGE I SERVICED BY: 45,000 Miles (75 000 km) 0 Change engine oil and filter (or every 3 months, whichever occurs first). An Emission Control Service. 1 DATE 17 Change automatic transmission fluid and filter if the vehicle is mainly driven under one or more of these conditions: - In heavy city traffic where the outside temperature regularly reaches 90°F (32°C) or higher. - In hilly or mountainous terrain. - When doing frequent trailer towing. - Uses such as foundin taxi, police or delivery service. If you do not use your vehicle under any of these conditions, change thefluid and filter every 50,000 miles (83 000 km). 0 Inspect air cleaner filter if you are driving in dusty conditions. Replace filter if necessary. An Emission ControlService. (See footnote?.) 48,000 Miles (80 000km) 0 Change engine oil and filter (or every 3 months, whichever occurs first). An Emission ControlService. I DATE I 0 Change the rear axle gear lubricantvehicle is used to pulltrailer. if a 0 Rotate tires. See "Tire Inspection and Rotation" in the Index for proper rotation pattern and additional information. footnote +.) (See 7-13