1998 Buick Riviera Owner's Manual

I Short Trip/City Maintenance Schedule63,000 Miles (I05 000 km)Change engine oil and filter (or every 3 months, whichever occurs first).An Emission Control Service.II DATE66,000 Miles (110 000 km)00Change engine oil and filter (or every 3 months, whichever occurs first).An Emission Control Service.Lubricate chassis components (or every 6 months, whichever occurs first).(See footnote #.)Rotate tires. See “Tire Inspection and Rotation” in the Index for properrotation pattern and additional information. (See footnote69,000 Miles (115 000 km)I7 Change engine oil and filter (or every 3 months, whicheverAn Emission Control Service.+.)occurs first).IIIDATEDATEIIII72,000 Miles (I20 000 km)0 Change engine oil and filter (or every 3 months, whichever occurs first).1 Emission Control Service.DATE