2010 Chevrolet Corvette Owner's Manual - Page 338

Engine Coolant The cooling system in the vehicle is filled with DEX-COOL® engine coolant. This coolant is designed to remain in the vehicle for five years or 240 000 km (150,000 miles), whichever occurs first. The following explains the cooling system and how to check and add coolant when it is low. If there is a problem with engine overheating, see Engine Overheating on page 6-41. WARNING: (Continued) water or the wrong mixture, the engine could get too hot but would not get the overheat warning. The engine could catch fire and you or others could be burned. Use a 50/50 mixture of clean, drinkable water and DEX-COOL® coolant. Use a 50/50 mixture of clean, drinkable water and DEX-COOL® coolant. If using this mixture, nothing else needs to be added. This mixture: What to Use { WARNING: Adding only plain water to the cooling system can be dangerous. Plain water, or some other liquid such as alcohol, can boil before the proper coolant mixture will. The vehicle's coolant warning system is set for the proper coolant mixture. With plain WARNING: (Continued) • Gives freezing protection down to −37°C (−34°F), outside temperature. • Gives boiling protection up to 129°C (265°F), engine temperature. • Protects against rust and corrosion. • Will not damage aluminum parts. • Helps keep the proper engine temperature. 6-36