Buick 2004 Park Avenue Owner's Manual page 371

67,500 Miles (112 500 km)
Change engine oil and filter (or every 12 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 +.)
75,000 Miles (125 000 km)
Change engine oil and filter (or every 12 months,
whichever occurs first). An Emission Control
Service. (See footnote *.)
Inspect engine air cleaner filter. See Engine Air
Cleaner/Filter on page 5-20 for more information.
An Emission Control Service. (See footnote †.)
Replace passenger compartment air filter.
Rotate tires. See Tire Inspection and Rotation on
page 5-72 for proper rotation pattern and additional
information. (See footnote .) (See footnote +.)
82,500 Miles (137 500 km)
Change engine oil and filter (or every 12 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 +.)
90,000 Miles (150 000 km)
Change engine oil and filter (or every 12 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.
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 +.)
97,500 Miles (162 500 km)
Change engine oil and filter (or every 12 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 +.)
6-17