1997 Buick Park Avenue Owner's Manual - Page 366

I Short TriplCity Maintenance Schedule I 81,000 Miles (135 000 km) 0Change engine oil and filter (or every 3 months, whichever occursfirst). An Emission Control Service. (See footnote *.) 78,000 Miles (130 000 km) 0Change engine oil and filter (or every 3 months, whichever occurs first). An Emission Control Service. (See footnote *.) 0Lubricate chassis components (or every 6 months, whichever occursfirst). (See footnote #.) 0Rotate tires. See "Tire Inspection and Rotation" in the Index for proper rotation pattern and additional information. (See footnote +.) DATE MILEAGE ACTUAL SERVICED BY: I DATE I ACTUAL MILEAGE ISERVICED BY: I