1997 Buick Park Avenue Owner's Manual - Page 360

I Short TripKity Maintenance Schedule Change engineoil and filter (or every 3 months, whicheveroccurs first). An Emission Control Service. (See footnote *.) 0Lubricate chassis components (or every 6 months, whichever occurs first). (See footnote #.) Replace passenger compartment air filter. 0Rotate tires. See "Tire Inspection and Rotation'' in the Index for proper rotation pattern and additional information. (See footnote +.) I 50,000 Miles (83 000 km) 0Change automatic transaxlefluid and filter if the vehicleis 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 taxi, police or in delivery service. I f you do not useyour vehicle under anyof these conditions, the fluid and filter do not require changing. ~ 48,000 Miles (80 000 km) DATE MILEAGE ACTUAL SERVICED BY: DATE ACTUAL MILEAGE SERVICED BY: