1996 Oldsmobile Achieva Owner's Manual - Page 301

I ShortTrip/CityMaintenance Schedule I - Uses such as found in taxi, police or 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 O F (32°C) or higher. - In hilly or mountainous terrain. - When doing frequent trailer towing. delivery service. Ifyou do not use your vehicle under any of these conditions, the fluid and filter do not require changing. Manual transaxle fluid doesn't require change. I DATE ACTUAL MILEAGE SERVICED B Y