1997 Buick Regal Owner's Manual - Page 358

1 Short TripKity Maintenance Schedule I 50,000 Miles (83 000 km) 0Change automatic transaxle fluid and filter if the vehcle 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. 48,000 Miles (80 000 km) 0Change engine oil and filter (or every 3 months, whichever occurs first). An Emission Control Service. (See footnote *.) 0Replace passenger compartment air filter. 17 Rotate tires. See "Tire Inspection and Rotation" in the Index for proper rotation pattern and additional information. (See footnote +.) Ifyou do not use your vehicle DATE ACTUAL MILEAGE SERVICED BY: under any these of conditions, thefluid and$lter do not require changing. 7-16