1994 Cadillac Fleetwood Owner's Manual - Page 239

The coolant level shouldbe at or above the seam inside the surge tank. If it isn't, you may have leak inthe radiatorhoses, heater hoses, radiator, a water pump or somewhere else in the cooling system. NOTICE: Engine damage from running your engine without coolant isn't covered by your warranty. If there seems to beno leak, checkto see if the electric engine fans are running. If the engine is overheating, both fans should be running. If they aren't, your vehicle needs service. 226