2003 Buick Park Avenue Owner's Manual - Page 372

45,000 Miles (75000 km) 0 Change engine oil and filter (or every 12 months, 52,500 Miles (87 500 km) 0 Change engine oil and filter (or every 12 months, whichever occurs first). An Emission Control Service. (See footnote *.) 0 Replace passenger compartment air filter. 0 Rotate tires. See Tire Inspection and Rotation on page 5-68 for proper rotation pattern and additional information. (See footnote @.) (See footnote +.) whichever occurs first). An Emission Control Service. (See footnote *.) U Rotate tires. See Tire Inspection and Rotation on page 5-68 for proper rotation pattern and additional information. (See footnote @.) (See footnote +.) 60,000 Miles (100 000 km) 0 Change engine oil and filter (or every 12 months, 50,000 Miles (83000 km) U Change automatic transaxle fluid and filter if the vehicle is mainly driven under one or more of these conditions: - in heavy city traffic where the outside temperature regularly reaches 90°F (32°C) or higher. - In hilly or mountainous terrain. - When doing frequent trailer towing. - Uses such as found in taxi, police or delivery service. If you do not use your vehicle under any of these conditions, change the fluid and filter at 100,000 miles (166 000 km). 0 0 D U whichever occurs first). An Emission Control Service. (See footnote *.) Replace passenger compartment air filter. For supercharged engines oniy: Check the supercharger oil level and add the proper supercharger oil as needed (or every 36 months, whichever occurs first). See Part D: Recommended Fluids and Lubricants on page 6-26. An Emission Control Service. (See footnote t.) Rotate tires. See Tire Inspection and Rotation on page 5-68 for proper rotation pattern and additional information. (See footnote 62.) (See footnote +.) Replace engine air cleaner filter. An Emission Control Service. 6-17