1997 Buick Park Avenue Owner's Manual - Page 376

I Long TriplHighway Maintenance Schedule I 45,000 Miles (75 000 km) 0Change engine oil and filter (or every 12 months, whichever occursfirst). An Emission Control Service. (See footnote *.) 0Lubricate chassis components (or every 12 months, whichever occursfirst). (See footnote #.) 0Replace passenger compartmentair filter. 0Rotate tires. See "Tire Inspection and Rotation'' in the Index for proper rotation pattern and additional information. (See footnote +.) 50,000 Miles (83 000 km) 0Change automatic transaxlefluid 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 O F 90 (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 If you do not use your vehicle under anyf these o conditions, the fluid and do not require changing. filter DATE SERVICED ACTUAL MILEAGE BY: