1996 Buick Regal Owner's Manual - Page 205

c You can be burned if you spill coolant on hot engine parts. Coolant contains ethylene glycol and it will burn if the engine parts are hot enough. Don't spill coolant on a hot engine. pressure cap even a little they can come out at high speed. Never turn the capwhen the cooling system, including the radiator pressure cap, is hot. Wait for the cooling system and radiator pressure cap tocool if you ever have to turn the pressure cap. -- -- When the coolant in the coolant recovery tank is at the COLD mark, start your vehicle. If the overheat warning continues, there's one more thing you can try. You can add the proper coolant mix directly to the radiator, but be sure the cooling system is cool before you do it. Steam and scalding liquids from a hot cooling system can blow out and burn you badly. They are underpressure, and if you turn the radiator CAUTION: (Continued) I