Chevrolet 1997 Cavalier Owner's Manual page 227

3. Then fill the coolant surge tank with the proper mix,
up to the FULL COLD mark.
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4. With the coolant surge tank pressure cap off, start
the engine and let it run until you can feel the upper
radiator hose getting hot. Watch out for the
engine fan.
By this time, the coolant level inside the coolant
surge tank may be lower. If the level is lower, add
more of the proper mix to the coolant surge tank
until the level reaches the FULL COLD mark.
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