1998 Oldsmobile Aurora Owner's Manual - Page 273

Engine Coolant The cooling s stem in your vehicle is filledwith DEX-COOL J engine coolant. This coolant is designed to remain in your vehicle for5 years or 150,000 miles (240 000 k )whichever occurs first,if you add only m DEX-COOL' extended life coolant. The following explains your cooling system and how to add coolant when it islow. If you have a problem with engine overheating, see "Engine Overheating" in the Index. A 50/50 mixture of water and DEX-COOL@ coolant will: NOTICE: When adding coolant, it is important that you use only DEX-COOL@(silicate-free) coolant. If coolant other thanDEX-COOL is added to the system, premature engine, heater core or radiator corrosion may result. addition, the In engine coolantwill require change sooner at 30,000 miles (50 000 km) or 24 months, whichever occursfirst. Damage caused by the use of coolant other thanDEX-COOL@is not covered by your new vehicle warranty. -- Give freezing protection down to -34°F (-37°C). 0 Give boiling protection up to 265 "F (129 "C). Protect against rust and corrosion. Help keep the proper engine temperature. Let the warning lights and gages work as they should. 0 0