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A 50/50 mixture of clean, drinkable
water and DEX-COOL
®
coolant will:
• Give freezing protection down
to −34°F (−37°C).
• 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.
Notice: Using coolant other than
DEX-COOL
®
can cause premature
engine, heater core, or radiator
corrosion. In addition, the engine
coolant may require changing
sooner, at the first maintenance
service after each 30,000 miles
(50 000 km) or 24 months,
whichever occurs first. Any
repairs would not be covered by
the vehicle warranty. Always
use DEX-COOL
®
(silicate-free)
coolant in the vehicle.
What to Use
Use a mixture of one-half clean,
drinkable water and one-half
DEX-COOL
®
coolant which will not
damage aluminum parts. If you
use this coolant mixture, you do not
need to add anything else.
{ CAUTION
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
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.
Notice: If an improper coolant
mixture is used, the engine could
overheat and be badly damaged.
The repair cost would not be
covered by the vehicle warranty.
Too much water in the mixture
can freeze and crack the engine,
radiator, heater core, and
other parts.
Notice: If you use extra
inhibitors and/or additives in
your vehicle’s cooling system,
you could damage your vehicle.
Use only the proper mixture of
the engine coolant listed in
this manual for the cooling
system. See Recommended
Fluids and Lubricants in the
Maintenance and Limited
Warranty and Owner Assistance
Information manual.
Vehicle Service and Care 9-13