2003 Oldsmobile Silhouette Owner's Manual - Page 420

30,000 Miles (50 000 km) 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 5-62for proper rotation pattern and additional information. (See footnote +.) 0 Replace engine air cleaner filter. An Emission Control Service. 50,000 Miles (83 000 km) c1 Change automatic transaxle fluid and filter if the vehicle is mainly driven under one or more of these conditions: - In heavy city traffic where the outside temperature regularly reaches 90°F (32°C) or higher. - In hilly or mountainous terrain. - When doing frequent trailer towing. - Uses such as found in taxi, police or delivery service. If you do not use your vehicle under any of these conditions, change the fluid and filter at 100,000 miles (166 000 km). 37,500 Miles (62 500 km) c3 Rotate tires. See Tire Inspection and Rotation on page 5-62 for proper rotation pattern and additional information. (See footnote +.) 45,000Miles (75 000 km) 0 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 arive reguiariy unuer Uusty conditions, the filter may require replacement more often. 0 Rotate tires. See Tire Inspection and Rotation on page 5-62 for proper rotation pattern and additional information. (See footnote +.) 52,500 Miles (87 500 km) 0 Rotate tires. See Tire Inspection and Rotation on page 5-62 for proper rotation pattern and additional information. (See footnote +.) 6-7