Pressure Cap; Engine Overheating - Chevrolet 2009 Impala Owner's Manual

4. Then fill the coolant recovery tank to the COLD
FILL line.
5. Install the coolant recovery tank cap and the
pressure cap. After a day or two of driving, when the
engine is cold, check the coolant level in the recovery
tank. If it is low, refill it to the COLD FILL line.
If the coolant in the recovery tank is constantly low,
you should have a dealer/retailer service department
inspect the vehicle for leaks.
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.

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 5-14 for
more information on location.

Engine Overheating

The vehicle has several indicators to warn of engine
overheating.
There is a coolant temperature gage and a warning light
on the instrument panel that indicate an overheated
engine condition. See Engine Coolant Temperature
Gage on page 3-34 Engine Coolant Temperature Gage
and Engine Coolant Temperature Warning Light on
page 3-34 Engine Coolant Temperature Warning Light.
In addition, you will find an ENGINE OVERHEATED
IDLE ENGINE and an ENGINE OVERHEATED STOP
ENGINE message displayed on the vehicle's Driver
Information Center (DIC). See DIC Warnings and
Messages on page 3-49 DIC Warnings and Messages
for more information.
You may decide not to lift the hood when this warning
appears, but instead get service help right away.
See Roadside Assistance Program on page 7-8.
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