1996 Buick LeSabre Owner's Manual - Page 317

I Long Trip/Highway Maintenance Schedule 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 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. O 52,500 Miles (87500 km) 0Change engine oil and filter (or e:veqJ 12 months, whichever occurs first). An Emission Control Service. * 0Lubricate the suspension and steering linkage, transaxle shift linkage, parking brake cable guides and 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 1 I f you do not use your vehicle under any o f these conditions, fluid and filter donot the require changing. I I DATE ACTUAL MILEAGE SERVICED B Y 7-31