Adding Coolant; Coolant Surge Tank Pressure Cap; Engine Overheating - Cadillac 2006 DTS Owner's Manual

Adding Coolant

If you need more coolant, add the proper DEX-COOL
coolant mixture at the coolant surge tank, but only
when the engine is cool.
CAUTION:
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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. Do not spill coolant on a hot engine.
When replacing the pressure cap, make sure to turn the
cap until it clicks.

Coolant Surge Tank Pressure Cap

®
Notice: If the pressure cap is not tightly
installed, coolant loss and possible engine
damage may occur. Be sure the cap is properly
and tightly secured.
See Engine Compartment Overview on page 5-12 for
more information on location.

Engine Overheating

You will find an ENGINE OVERHEATED IDLE ENGINE
message or an ENGINE OVERHEATED STOP
ENGINE message displayed in the Driver Information
Center (DIC). See DIC Warnings and Messages
on page 3-76 for more information. You will also
hear a chime.
There is also an engine temperature warning light
and/or gage on the instrument panel cluster. See Engine
Coolant Temperature Warning Light on page 3-65 and
Engine Coolant Temperature Gage on page 3-65.
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