1997 Pontiac Sunfire Owner's Manual - Page 341

45,000 Miles (75 000 km) Change engine oil and filter (or every 12 months, whichever occurs first). An Emission Control Service. 50,000 Miles (83 000 km) 0 Change automatic transaxle fluid filter and if the vehicleis mainly driven under one or more of these conditions: - In heavy city traffic where the outside temperature regularly reaches O 90 F (32 O C) or higher. - In hilly or mountainous terrain. - When doing frequent trailer towing. Lubricate chassis components (or every 12 months, whichever occursfirst). (See footnote#.) 0Rotate tires. See "Tire Inspection and Rotation'' in the Indexfor proper rotation pattern and additional information. (See footnote +.) (Also see footnote ++.) (Continued) 7-33