2003 Buick Century Owner's Manual - Page 320

37,500 Miles (62 500 km) 0 Rotate tires. See Tire Inspection and Rotation on - When doing frequent trailer towing. - Uses such as found in taxi, police or delivery page 5-60 for proper rotation pattern and additional information. (See footnote @.) (See footnote +.) service. If you do not use your vehicle under any of these conditions, change the fluid and filter at 100,000 miles(166 000 krn). 45,000Miles (75 000 km) 0 Inspect engine air cleaner filter if you are driving in dusty conditions. Replace filter if necessary. An 52,500Miles (87 500 km) 0 Rotate tires. See Tire Inspection and Rotation on page 5-60 forproper rotation pattern and additional information. (See footnote @.) (See footnote +.) 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 Inspection and Rotation on page 5-60 for proper rotation pattern and additional information. (See footnote @.) (See footnote +.) 60,000 Miles (I00 000 km) 0 Replace passenger compartment air filter. If you 50,000Miles (83 000 km) 0 Change automatic transaxle fluid and filter if the vehicle is mainly driven under one or more of these conditions: - :E ~ E Z city 2afk wile!te ii~e V ~ uuiside temperature regularly reaches 90°F (32°C) or higher. - In hilly or mountainous terrain. drive regularly under dusty conditions, the filter may require replacement more often. U Rotate tires. See Tire Inspection and Rotation on page 5-60 forproper rotation pattern and additional information. (See footnote @.) (See footnote +.) CI Replace engine air cleaner filter. An Emission Control I OGf Y I b G . 6-7