Radiator Pressure Cap; Engine Overheating - Pontiac 2009 Montana SV6 Owner's Manual

Filling the Coolant Recovery Tank
8. Then fill the coolant recovery tank to the full
cold mark.
9. Put the cap back on the coolant recovery tank.
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.
5-28

Radiator Pressure Cap

Notice: The radiator cap on your vehicle is a
pressure-type cap and must be tightly installed to
prevent coolant loss and possible engine damage
from overheating. Be sure the cap is properly closed.
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 an engine coolant temperature gage on the
vehicle's instrument panel. See Engine Coolant
Temperature Gage on page 3-37.
The vehicle might have an ENGINE COOLANT HOT
message displayed in the Driver Information Center
(DIC). See DIC Warnings and Messages on page 3-50.