1998 Oldsmobile Cutlass Owner's Manual - Page 238

NOTICE: We recommend you use only fluid labeled DEXRON@-III, because fluid that labelis with made especially for your automatic transaxle. Damage causedby fluid other thanDEXRON-I11 is not covered your new vehicle warranty. by A 50/50 mixture of water and DEX-COOL@ coolant will: 0 0 0 Give freezing protection downto -34°F (-37°C). Give boiling protection up 265 O F (129 C ) . to O Protect against rust and corrosion. Help keep the proper engine temperature. Let the warning lights and gages work as they should. 0 0 Engine Coolant The coolings stem in your vehicleis filled with DEX-COOL engine coolant. This coolant is designed to remain in your vehicle 5 years or 150,000miles for (240 000 k )whichever occurs first, if you add only m DEX-COOL' extended life coolant. J NOTICE: When addingcoolant, it is important thatyou use only DEX-COOL@(silicate-free) coolant. If coolant other than DEX-COOL added to the is system, premature engine, heater core or radiator corrosion may result. In addition, the engine coolantwill require change sooner at 30,000 miles (50 000 km) or 24 months, whichever occurs first. Damage caused the use by of coolant other than DEX-COOL@ not is covered by your new vehicle warranty. The following explains your cooling system and how to add coolant when is low. If you have a problem it see with engine overheating, "Engine Overheating" in the Index. -- 6-18