2005 Buick LeSabre Owner's Manual - Page 347

30,000 Miles (50 000 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 †.) ❑ Rotate tires. See Tire Inspection and Rotation on page 5-63 for proper rotation pattern and additional information. (See footnote @.) (See footnote +.) 39,000 Miles (65 000 km) ❑ Change engine oil and filter (or every 3 months, whichever occurs first). An Emission Control Service. (See footnote *.) 42,000 Miles (70 000 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 5-63 for proper rotation pattern and additional information. (See footnote @.) (See footnote +.) 45,000 Miles (75 000 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. 33,000 Miles (55 000 km) ❑ Change engine oil and filter (or every 3 months, whichever occurs first). An Emission Control Service. (See footnote *.) 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 5-63 for proper rotation pattern and additional information. (See footnote @.) (See footnote +.) 48,000 Miles (80 000 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 5-63 for proper rotation pattern and additional information. (See footnote @.) (See footnote +.) 6-9