2006 Cadillac CTS CTS-V Owners Manual

Engine Coolant
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.
The cooling system in your  vehicle is filled with
DEX-COOL
®
engine coolant. This coolant is  designed
to remain in  your vehicle for five years or  150,000 miles
000 km), whichever occurs first, if you  add only
extended life coolant.
(240
DEX-COOL
®
The following explains your cooling  system and how
to add coolant when it  is low. If you have a problem
with engine overheating, see Engine  Overheating
on page 5-30.
{
CAUTION:
Adding only plain water to  your cooling
A 50/50 mixture of clean, drinkable water  and
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 would not get  the overheat warning.
Your engine could catch fire  and you or others
could be burned. Use a  50/50 mixture of clean,
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.
drinkable water and DEX-COOL   coolant.
®
Notice:   Using coolant other than DEX-COOL   may
®
cause premature engine, heater core,  or radiator
corrosion. In addition, the engine  coolant may
require changing sooner, at the  first maintenance
service after each 25,000 miles  (41 500 km) or
Notice:   If you use an improper coolant mixture, your
engine could overheat and be badly damaged. The
repair cost would not be covered by your warranty.
Too much water in the mixture can freeze and crack
the engine, radiator, heater core and other parts.
24
months, whichever occurs  first. Any repairs
would not be covered by  your warranty. Always use
DEX-COOL   (silicate-free) coolant in your  vehicle.
®
5-28
Product Specification
CategoriesCadillac CTS Manuals, Cadillac Manuals
Tags, ,
Model Year2006
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CopyrightAttribution Non-commercial
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