1997 Buick Park Avenue Owner's Manual - Page 374

22,500 Miles (37 500 km) 0Change engineoil and filter (or every 12 months, whichever occursfirst). An Emission Control Service. (See footnote* .) 0Lubricate chassis components (or every 12 months, whichever occursfirst). (See footnote#.) 0Rotate tires. See "Tire Inspection and Rotation'' in the Index for proper rotation pattern and additional information. (See footnote +.) 30,000 Miles (50 000 km) Change engine oil and filter (or every 12 months, whichever occurs first). An Emission Control Service. (See footnote* .) 0Lubricate chassis components (or every 12 months, whichever occursfirst). (See footnote #.) 0Replace passenger compartmentair filter. I7 Rotate tires. See "Tire Inspection and Rotation" in the Index proper rotation for pattern and additional information. (See footnote +.) 0Replace air cleaner filter. An Emission Control Service. DATE SERVICED MILEAGE ACTUAL BY: 7-30