1996 Buick Century Owner's Manual - Page 285

I Short Trip/City Maintenance Schedule I I 50,000 Miles (83 000 km) 0Change automatic transaxle fluidand filter if the vehicle is mainly driven under one or more of these conditions: - In heavy city traffic where the outside 90 temperature regularly reaches O F (32O C) or higher. - In hilly or mountainous terrain. - When doing frequent trailer towing. - Uses such as found in taxi, police or delivery service. Ifyou do not useyour vehicle under any of these conditions, the fluid andfilter do not require changing. 1 51,000 Miles (85 000 km) 0Change engineoil and filter (or every 3 months, whichever occurs first). An Emission Control Service. I I DATE ACTUAL MILEAGE I - DATE ACTUAL MILEAGE SERVICED BY: - SERVICED BY: 7-15