1998 Chevrolet Prizm Owner's Manual - Page 315

I Long Tripmighway .Maintenance Schedule 0 Drain, flush and refill cooling system (or every months, whichever occurs 24 for first). See "Engine Coolant'' in the Index what to use. Inspect hoses. Clean radiator, condenser, pressure and neck. Pressure test cooling system and cap pressure cap. An Emission Control Service. (See footnoteT.) Change manual transaxle fluid every30,000 miles (50 000 km) only if your vehicle is used to tow trailer. a Change automatic transaxle and differential fluid every 15,000 miles (25 000 km) if the vehicle mainly driven underone or more of is these conditions: - In heavy city traffic where the outside temperature regularly reaches 90°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. If you do not use your vehicle under any these conditions, check the fluid. of 7-29