Cadillac 2009 CTS-V Automobile User Manual


 
3. Add the proper DEX-COOL
®
coolant mixture to the
fill neck until the coolant reaches the COLD FILL
line on the fill neck.
With the intercooler system pressure cap off, start
the engine and let it run for a couple of minutes. Then
turn the engine off. By this time, the coolant level
inside the fill neck may be lower. If the level drops to
where coolant is no longer visible in the horizontal
tube section of the fill neck, with the engine off add
more of the DEX-COOL
®
coolant mixture to the fill
neck until the level is again visible in the horizontal
tube section
4. Then replace the pressure cap. Be sure the
pressure cap is hand-tight and fully seated.
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.
If the coolant is not at the proper level when the system
cools down again, see your dealer/retailer.
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.
The coolant surge tank pressure cap must be fully
installed on the coolant surge tank. See Engine
Compartment Overview on page 5-14 for more
information on location.
Engine Overheating
The vehicle has several indicators to warn of engine
overheating.
There are two engine hot messages that may be
displayed in the Driver Information Center (DIC).
See DIC Warnings and Messages on page 3-57 for
more information.
You may decide not to lift the hood when this warning
appears, but instead get service help right away.
See Roadside Service on page 7-8.
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