1995 Buick Riviera Owner's Manual - Page 300

I MaintenanceSchedule I1 I 7,500 Miles (12 500 km) Change engine oil and filter (or every 12 months, whichever occurs first). An Emission Control Service. The services shown in this schedule up to 100,000miles m should be performed after 100,000 miles (166 000 k ) m at (166 000 k ) the same intervals. Footnotes The U.S. Environmental Protection Agency or the California Air Resources Board has determined that the failure to perform this maintenance item will not nullify the emission warranty or limit recall liability prior to the completion of vehicle useful life. We, however, urge that all recommended maintenance services be performed at the indicated intervals and themaintenance be recorded. Lubricate the suspension and steering linkage, transaxle shift linkage, parking brake cable guides and the underbody contact points and linkage (or every 12 months, whichever occurs first). 0Rotate tires. See "Tire Inspection and Rotation'' in the Index for proper rotation pattern and additional information. DATE ACTUAL MILEAGE SERVICED BY: 7-27