1997 Chevrolet Corvette Owner's Manual - Page 260

A CAUTION: -- Adding Coolant ~ lbrning the surge tank pressure cap when the engine and radiator are hot can allow steam and scalding liquids blow out and burnyou badly. to Never turn the surge tank pressure cap even a little when the engine and radiatorare hot. If you need more coolant, add the proper DEX-COOL@ coolant mixture at the surge tank,but only when the engine iscool. -- A CAUTION: You can be burned if you spill coolant on hot engine parts. Coolant contains ethylene glycol, and itwill burn if the engine parts are hot enough. Don't spill coolant on a hot engine. When replacing the pressure cap, make sure it is tight. When your engine is cold,,the coolant level should be at the FULL COLD mark. Don't overfill the surge tank. Too much coolantcan result in an overflow when the fluid is hot. If the LOW COOLANT message comes on, it means you're low on engine coolant. 6-25