1998 Oldsmobile Achieva Owner's Manual - Page 299

I Short TripKity Maintenance Schedule 0 Rotate tires. See"Tire Inspection and Rotation" in the Index for proper +.) rotation pattern and additional information. (See footnote (Also see footnote++.) 15,000 Miles (25 000 km) 0 Change engine oiland filter (or every 3 months, whichever occurs first). An EmissionControl Service. Inspect air cleaner filter you are drivingin dusty conditions. if Replace filterif necessary. An Emission Control Service. (See footnote?.) DATE 18,000 Miles (30 000 km) 0 Change engine oiland filter (or every 3 months, whichever occurs first). An Emission Control Service. 0 Lubricate chassis components (or every 6 months, whichever occurs first). (See footnote #.) 0 Rotate tires. See "Tire Inspection Rotation" in the Index for proper and rotation pattern and additional information. (See footnote +.) DATE ACTUAL MILEAGE SERVICED BY: 21,000 Miles (35 000 km) 0 Change engine oil and filter every 3 months, whichever occurs first). (or An Emission Control Service. 7-9