Buick 2005 Park Avenue Owner's Manual page 346

78,000 Miles (130 000 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 5-67 for proper rotation pattern and additional
information. (See footnote @.) (See footnote +.)
81,000 Miles (135 000 km)
Change engine oil and filter (or every 3 months,
whichever occurs first). An Emission Control Service.
(See footnote *.)
84,000 Miles (140 000 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 5-67 for proper rotation pattern and additional
information. (See footnote @.) (See footnote +.)
87,000 Miles (145 000 km)
Change engine oil and filter (or every 3 months,
whichever occurs first). An Emission Control Service.
(See footnote *.)
6-12
90,000 Miles (150 000 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 5-19 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 5-67 for proper rotation pattern and additional
information. (See footnote @.) (See footnote +.)
93,000 Miles (155 000 km)
Change engine oil and filter (or every 3 months,
whichever occurs first). An Emission Control Service.
(See footnote *.)