1996 Buick Riviera Owner's Manual - Page 310

Miles (50000 km) 13 Change . engine oil and filter (or every 3 months, whichever occurs first). 0For An Emission Control Service. Lubricate 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). 0Replace air cleaner filter. Emission Control An Service. supercharged enginesonly: Check the supercharger oil level and add as needed oil (or every36 months, whichever. occurs first). See "Recommended Fluids and Lubricants" in this section. Emission An Control.Service. 0Rotate tires. See "Tire Inspection and Rotation" in the Index for proper rotation pattern and ,additional infonnation. Inspect fuel tank, cap and lines damage for or leaks. Inspect fuel cap gasket for any damage. Replace parts as needed. An Emission Control Service. f I DATE I ACTUAL MILEAGE SERVICED BY: I