Chevrolet 1994 Cavalier Owner's Manual page 172

NOTICE:
If you use an improper coolant mix,
your engine could overheat and be
badly damaged. The repair cost
wouldn't be covered by your
warranty. Too much water in the
mix can freeze and crack the
engine, radiator, heater core and
other parts.
Adding Coolant-2.2L 14 Engine
To Check Coolant
When your engine is cold, the coolant
level should be at FULL COLD, or a
little higher. When your engine is warm,
the level should be at FULL COLD or
higher.
To Add Coolant
If you need more coolant, add the
proper mix at the coolant recovery
tank.