Buick 2004 LeSabre Owner's Manual page 346

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 5-67 for proper rotation pattern and additional
information. (See footnote .) (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 5-18 for more
information. An Emission Control Service. (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 5-67 for proper rotation pattern and additional
information. (See footnote .) (See footnote +.)
6-8
21,000 Miles (35 000 km)
Change engine oil and filter (or every 3 months,
whichever occurs first). An Emission Control Service.
(See footnote *.)
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 5-67 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 *.)
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 engine air cleaner filter. See Engine Air
Cleaner/Filter on page 5-18 for more information.
An Emission Control Service.
Rotate tires. See Tire Inspection and Rotation on
page 5-67 for proper rotation pattern and additional
information. (See footnote .) (See footnote +.)