1995 Buick Riviera Owner's Manual - Page 304

50,000 Miles (83 000 km) 0Change automatic transaxle fluid and filter if the vehicle is mainly driven under one or more of these conditions: - In heavy city traffic where the outside temperature regularly reaches 90 O F (32°C) or higher. - In hilly or mountainous terrain. - When doing frequent trailer towing. - Uses such as found in taxi, police or delivery service. V y o u do not use your vehicle underany of these conditions, the fluid filter donot and require changing. DATE ACTUAL MILEAGE SERVICED BY: 52,500 Miles (87500 km) Change engine oil and filter (or every 12 months, whichever occurs first). An Emission Control Sewice. Lubricate the suspension and steering linkage, transaxle shift linkage, parlung 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. I DATE I ACTUAL MILEAGE ISERVICED BY1