2003 Buick Century Owner's Manual - Page 321

67,500 Miles (1 12 500 km) 0 Rotate tires. See Tire lnspection and Rotation on page 5-60 for proper rotation pattern and additional 90,000 Miles (150 000 km) 0 Replace passenger compartment air filter. If you drive regularly under dusty conditions, the filter may require replacement more often. 0 Replace engine air cleaner filter. An Emission Control Service. 0 Rotate tires. See Tire lnspection and Rotation on page 5-60 for proper rotation pattern and additional information. (See footnote 4 . (See footnote +.) 3) information. (See footnote @.) (See footnote +.) 75,000 Miles (125 000 km) U Inspect engine air cleaner filter if you are driving in dusty conditions. Replace filter if necessary. An Emission Control Service. (See footnote t.) 0 Replace passenger compartment air filter. If you drive regularly under dusty conditions, the filter may require replacement more often. 0 Rotate tires. See Tire lnspection and Rotation on page 5-60 for proper rotation pattern and additional information. (See footnote @.) (See footnote +.) 97,500Miles (162 500 km) C Rotate tires. See Tire lnspection and Rotation on l page 5-60 for proper rotation pattern and additional information. (See footnote @.) (See footnote +.) 82,500 Miles (137 500 km) 0 Rotate tires. See Tire lnspection and Rotation on page 5-60 for proper rotation pattern and additional information. (See footnote @.) (See footnote +.) 6-8