2004 Buick Park Avenue Owner's Manual - Page 363

24,000 Miles (40 000 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 +.) 27,000 Miles (45 000 km) ❑ Change engine oil and filter (or every 3 months, whichever occurs first). An Emission Control Service. (See footnote *.) ❑ For supercharged engine 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 +.) 33,000 Miles (55 000 km) ❑ Change engine oil and filter (or every 3 months, whichever occurs first). An Emission Control Service. (See footnote *.) 30,000 Miles (50 000 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. 36,000 Miles (60 000 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 +.) 6-9