1998 Buick Riviera Owner's Manual

I Short Trip/City Maintenance ScheduleI0 Lubricate chassis components (or every 6 months, whichever occurs first).(See footnote #.)Cl Rotate tires. See “Tire Inspection and Rotation” in the Index for properrotation pattern and additional information. (See footnote +.)15,000 Miles (25 000 km)17 Change engine oil and filter (or every 3 months, whichever occurs first).An Emission Control Service.0 Inspect air cleaner filter if you are driving in dusty conditions.Replace filter if necessary.An Emission Control Service. (See footnote?.)18,000 Miles (30 000 km)0 Change engine oil and 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 and Rotation” in the Index for properrotation pattern and additional information. (See footnote +.)DATEMILEAGEDATEI7-9