Pontiac 1998 Grand Am Owner's Manual page 261

Adding Coolant
Wrning 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.
When your engine is cold, the coolant level should be at
the
FULL COLD mark, or a little higher.
I f
the
light comes on, it
means you're low on
engine coolant.
See "Low Coolant Warning Light" in the
Index.
If you need more coolant, add the proper DEX-COOL@
coolant mixture at the surge tank, but only when
the
engine is cool.
A
CAUTION:
L
I
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. Don't spill coolant 0n.a hot engine.
When replacing
the
pressure cap, make sure
it
is tight.
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