Engine Coolant - GMC Canyon 2016 Owner's Manual

Warning
Heater and radiator hoses, and
other engine parts, can be very
hot. Do not touch them. If you do,
you can be burned.
Do not run the engine if there is a
leak. If you run the engine, it
could lose all coolant. That could
cause an engine fire, and you
could be burned. Get any leak
fixed before you drive the vehicle.
Caution
Using coolant other than
®
DEX-COOL can cause
premature engine, heater core,
or radiator corrosion. In addition,
the engine coolant could require
changing sooner. Any repairs
would not be covered by the
vehicle warranty. Always use
DEX-COOL (silicate-free) coolant
in the vehicle.

Engine Coolant

The cooling system in the vehicle is
®
filled with DEX-COOL engine
coolant mixture. See Recommended
Fluids and Lubricants 0 350
Maintenance Schedule 0 341
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 0 271
What to Use
Warning
Adding only plain water or some
other liquid to the cooling system
can be dangerous. Plain water
and other liquids, can boil before
the proper coolant mixture will.
The coolant warning system is set
for the proper coolant mixture.
With plain water or the wrong
mixture, the engine could get too
hot but you would not get the
overheat warning. The engine
(Continued)
Vehicle Care
Warning (Continued)
could catch fire and you or others
could be burned. Use a 50/
50 mixture of clean, drinkable
and
ii
. water and DEX-COOL coolant.
ii
Use a 50/50 mixture of clean,
drinkable water and DEX-COOL
coolant. If using this mixture,
.
nothing else needs to be added.
ii
This mixture:
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.
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