2003 Pontiac Sunfire Owner's Manual - Page 304

22,500 Miles (37 500 km) C Change engine oil and filter (or every 12 months, i whichever occurs first). An Emission Control Service. CI Lubricate chassis components (or every 12 months, whichever occurs first). (See footnote #.) 0 Rotate tires. See Tire Inspection and Rotation on page 5-52 for proper rotation pattern and additional information. (See footnote +,) 30,000 Miles (50000 km) d Change eng'ine oil and filter (or every 12 months, whichever occurs first). An Emission Control Service. U Lubricate chassis components (or every 12 months, whichever occurs first). (See footnote #.) 0 Rotate tires. See Tire lnspection and Rotation on page 5-52 for proper rotation pattern and additional informatinn (.?(ep footnntp +.) (p.!so s p p fn~tnnte ++.) 0 Replace engine air cleaner filter. An Emission Control Service. 6-13