Checking Coolant - Pontiac G5 2009 Owner's Manual

Checking Coolant

The coolant surge tank is located in the engine
compartment on the driver's side of the vehicle. See
Engine Compartment Overview on page 5-12 for more
information on location.
5-26
CAUTION:
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Turning the surge tank pressure cap when the
engine and radiator are hot can allow steam and
scalding liquids to blow out and burn you badly.
Never turn the surge tank pressure cap — even a
little — when the engine and radiator are hot.
The vehicle must be on a level surface. When your
engine is cold, the coolant level should be at the COLD
FILL line.