Chevrolet 2003 Corvette Owner's Manual page 261

Adding only plai Mater to
I
ur cooling
system can be dangerous. Plain water, or
some other liquid such as alcohol, can boil
before the proper coolant mixture will.
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CAUTION: (Continued)
I
Your vehicle's coolant warning system is set
for the proper coolant mixture. With plain
water or the wrong mixture, your engine could
get too hot but you wouldn't get the overheat
warning. Your engine could catch fire and you
or others could be burned. Use a 50/50 mixture
of clean, drinkable water and DEX COOL@
coolant.
Notice: In cold weather, water can freeze and crack
the engine, radiator, heater core and other parts.
Use the recommended coolant and the proper
coolant mixture.
You can be bul Id i' ou
spill coolant on hot
engine parts. Coolant contains ethylene glycol
and it will burn if the engine parts are hot
enough. Don't spill coolant on a hot engine.
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