2004 Buick Park Avenue Owner's Manual - Page 365

51,000 Miles (85 000 km) ❑ Change engine oil and filter (or every 3 months, whichever occurs first). An Emission Control Service. (See footnote *.) 54,000 Miles (90 000 km) ❑ Change engine oil and filter (or every 3 months, whichever occurs first). An Emission Control Service. (See footnote *.) ❑ Rotate tires. See Tire Inspection and Rotation on page 5-72 for proper rotation pattern and additional information. (See footnote .) (See footnote +.) ❑ For supercharged engines only: 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 6-25. An Emission Control Service. (See footnote †.) ❑ Rotate tires. See Tire Inspection and Rotation on page 5-72 for proper rotation pattern and additional information. (See footnote .) (See footnote +.) 63,000 Miles (105 000 km) ❑ Change engine oil and filter (or every 3 months, whichever occurs first). An Emission Control Service. (See footnote *.) 57,000 Miles (95 000 km) ❑ Change engine oil and filter (or every 3 months, whichever occurs first). An Emission Control Service. (See footnote *.) 66,000 Miles (110 000 km) ❑ Change engine oil and filter (or every 3 months, whichever occurs first). An Emission Control Service. (See footnote *.) ❑ Rotate tires. See Tire Inspection and Rotation on page 5-72 for proper rotation pattern and additional information. (See footnote .) (See footnote +.) 60,000 Miles (100 000 km) ❑ Change engine oil and filter (or every 3 months, whichever occurs first). An Emission Control Service. (See footnote *.) ❑ Replace passenger compartment air filter. ❑ Replace engine air cleaner filter. See Engine Air Cleaner/Filter on page 5-20 for more information. An Emission Control Service. 69,000 Miles (115 000 km) ❑ Change engine oil and filter (or every 3 months, whichever occurs first). An Emission Control Service. (See footnote *.) 6-11