1998 Pontiac Grand Am Owner's Manual - Page 261

when the Wrning the surge tank pressure cap 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 andradiator are hot. Adding Coolant If you need more coolant, add the proper DEX-COOL@ coolant mixtureat the surge tank, but only when the engine is cool. -- -- A CAUTION: You can be burnedif you spill coolanton hot engine parts. Coolant contains ethylene glycol, and it burn if the engineparts are will hot enough. Don't spill coolant hot engine. 0n.a L I When your engine cold, the coolant level should be at is the FULL COLD mark, or a little higher. I the light comeson, it f means you're low on engine coolant. When replacingthe pressure cap, make sure it is tight. See "Low Coolant Warning Light" in the Index. 6-28