1998 Cadillac Eldorado Owner's Manual - Page 261

CAUTION: (Continued) get the overheat warning. Your engine could catch fire andyou or others could be burned. Use a 50/50 mixture of clean water and DEX-COOL@coolant. 1 NOTICE: In cold weather, water can freezeand crack the engine, radiator, heater core and other parts. So use the recommended coolant. I A CAUTION: You can be burned if you spill coolant on hot engine parts. Coolant contains ethylene glycol and it will burn if the engine parts arehot enough. Don't spill coolant on a hot engine. I . You can remove the coolant surge tank pressure cap when the cooling system, includingthe coolant surge tank pressure cap and upper radiator hose, is no longer hot. Turn the pressure cap slowly counterclockwise until it first stops. (Don't press down while turning the pressure cap.) If you hear a hiss, wait for that to stop. A hiss means there is still some pressure left. 5-21