1999 Buick LeSabre Owner's Manual - Page 328

yellowblue Long Trip/Highway Scheduled Maintenance 22,500 Miles (37 500 km) (Continued) Rotate tires. See "Tire Inspection and Rotation" in the Index for proper rotation pattern and additional information. (See footnote +.) j j Change engine oil and filter (or every 12 months, whichever occurs first). An Emission Control Service. (See footnote *.) j Lubricate chassis components (or every 12 months, whichever occurs first). (See footnote #.) j Rotate tires. See "Tire Inspection and Rotation" in the Index for proper j j rotation pattern and additional information. (See footnote +.) (Also see footnote ++.) Replace air cleaner filter. An Emission Control Service. Inspect fuel tank, cap and lines for damage or leaks. Inspect fuel cap gasket for any damage. Replace parts as needed. An Emission Control Service. (See footnote[.) 30,000 Miles (50 000 km) DATE ACTUAL MILEAGE SERVICED BY: 37,500 Miles (62 500 km) j Change engine oil and filter (or every 12 months, whichever occurs first). An Emission Control Service. (See footnote *.) j Lubricate chassis components (or every 12 months, whichever occurs first). (See footnote #.) DATE ACTUAL MILEAGE SERVICED BY: 7-26