1997 Buick LeSabre Owner's Manual - Page 326

I Short Trip/City Maintenance Schedule I 39,000 Miles (65 000 km) 0Change engine oil andfilter (or every 3 months, whichever occurs first). An Emission Control Service. (See footnote *.) 36.000 Miles (60 000 km) 0Change engine oil and filter (or every 3 months, whichever occursfirst). An Emission Control Service. (See footnote *.) 0Lubricate chassis components (or every 6 months, whichever occurs first). (See footnote #.) 0Rotate tires. See "Tire Inspection and Rotation" in the Index proper rotation for pattern and additional information. (See footnote +.) (Also see footnote ++.) DATE ACTUAL MILEAGE SERVICED BY: DATE ACTUAL MILEAGE SERVICED BY: / -14