1995 Buick Riviera Owner's Manual - Page 294

I MaintenanceSchedule I I 78,000 Miles (130 000 km) 0Change engine oil and filter (or every 3 months, whichever occurs first). An Emission Control Service. 75,000 Miles (125 000 km) 0Change engme oil and filter (or every 3 months, whichever occurs first). An Emission Control Service. 0Inspect air cleaner filter if you are driving in dusty conditions. Replace filter if necessary. An Emission Control Service. 0Lubricate the suspension and steering linkage, transaxle shift linkage, parking brake cable guides and the underbody contact points and linkage (or every 6 months, whichever occurs first). 17 Rotate tires. See "Tire Inspection and Rotation" in the Index for proper rotation pattern and additional information. I DATE I ACTUALMILEAGE ISERVICED BEI DATE SERVICED ACTUAL MILEAGE BY: 7-21