Chevrolet 1998 Prizm Owner's Manual page 250

NOTICE:
If you use an improper coolant mixture, your
engine could overheat and be badly damaged.
The repair cost wouldn't be covered by your
warranty. Too much water in the mixture can
freeze and crack the engine, radiator, heater
core and other parts.
I f you have to add coolant more than four times
a
year,
lave
your
dealer check your cooling system.
I
NOTICE:
If you use the proper coolant, you don't have to
add extra inhibitors or additives which claim to
improve the system. These can be harmful.
Checking Coolant
When your engine
is
cold,
the coolant level should be
at LOW, or a
little higher.
When your engine is warm,
the level should be up to
FULL, or a little higher.
Adding Coolant
If you need more coolant, add the proper coolant
mixture
at
the coolant recovery tank, but be careful not
to spill it.
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