2004 Buick Park Avenue Owner's Manual - Page 362

3,000 Miles (5 000 km) ❑ Change engine oil and filter (or every 3 months, whichever occurs first). An Emission Control Service. (See footnote *.) 15,000 Miles (25 000 km) ❑ Change engine oil and filter (or every 3 months, whichever occurs first). An Emission Control Service. (See footnote *.) ❑ Inspect engine air cleaner filter. If necessary, replace the filter. If vehicle is driven in dusty/dirty conditions, inspect filter at every engine oil change. See Engine Air Cleaner/Filter on page 5-20 for more information. An Emission Control Service. (See footnote †.) ❑ Replace passenger compartment air filter. 6,000 Miles (10 000 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 +.) 18,000 Miles (30 000 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 +.) 9,000 Miles (15 000 km) ❑ Change engine oil and filter (or every 3 months, whichever occurs first). An Emission Control Service. (See footnote *.) 12,000 Miles (20 000 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 +.) 21,000 Miles (35 000 km) ❑ Change engine oil and filter (or every 3 months, whichever occurs first). An Emission Control Service. (See footnote *.) 6-8