1997 Buick LeSabre Owner's Manual - Page 332

I ShortTrip/City Maintenance Schedule I 69,000 Miles (115 000km) 0Change engine oil and filter (or every 3 months, whichever occurs first). A7 Emission Control Service. (See footnote * .) 7 66,000 Miles (110 000 km) 0Change engine oil and filter (or every 3 months, whichever occurs first). An Emission Control Ser-vice. (See footnote *.) 0Lubricate chassis components (or every 6 months, whichever occurs first). (See footnote #.) c Rotate tires. See "Tire Inspection and ] Rotation" in the Index for proper rotation pattern and additional information. (See footnote +.) DATE ACTUAL MILEAGE SERVICED BY 7-20