1996 Cadillac Eldorado Owner's Manual - Page 280

Checking Coolant A CAUTION: I I lhrning the surge tank pressure cap when the engine and radiator are hot can allow steam and scalding liquidsto blow out and burn you badly. Never turn the surge tank pressure cap even a little when the engine and radiator are hot. -- -- When your engine is cold, the coolant level should be at 2.5 the full cold mark, which is inches (60 mm) below the base of the fill neck. Use a flashlight necessary to as see into the tank.. The surge tank is located next the engine block the to on passenger's sideof the engine. The cooling system when hot is under of pressure. a lot If the CHECK COOLANT LEVEL message appears on the DIC, you will need to add coolant. 6-21