1998 Buick Skylark Owner's Manual - Page 310

I Lung Tripmighway Maintenance Schedule 0 Rotate tires. See "Tire Inspection and Rotation" the Index for proper in rotation pattern and additional information. footnote +.) (See 30,000 Miles (50 000 km) 0 Change engine oil and filter (or every 12 months, whichever occurs first). An Emission Control Service. Lubricate chassis components (or every months, whichever occursfirst). 12 (See footnote #.) 0 Rotate tires. See "Tire Inspection and Rotation" in the Index proper for rotation pattern and additional infomation. (See footnote +.) (Also see footnote ++.) 0 Replace air cleaner filter. An Emission Control Service. 0 Inspect fuel tank, cap and lines damage orleaks. Inspect fuel cap for gasket for any darnage. Replace parts as needed. An Emission Control Service. (See footnotej-.) ~. DATE 37,500 Miles (62 500 km) 0 Change engine oil and filter (or every 12 months, whichever occurs first). An Emission Control Service. 7-23