User Manual - Page 247

For 2003 ALERO.

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system can be dangerous. Plain water, or
some other liquid such as alcohol, can boil
before the proper coolant mixture will. 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 burned if you 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.
5-32
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