2003 Cadillac Escalade Owner's Manual - Page 334

Cooling System When you decide it's safe to lift the hood, here's what you'll see: The coolant level should be at or above the FULL COLD mark. If it isn't, you may have a leak at the pressure cap or in the radiator hoses, heater hoses, radiator, water pump or somewhere else in the cooling system. I A. Coolant Surge Tank B. Coolant Surge Tank Pressure Cap C.EngineFan Heater and radiator hoses, and other engine parts, can be very hot. Don't touch them. If you do, you can be burned. Don't run the engine if there is aleak. If you run the engine, it could lose all coolant. That could cause an engine fire, and you could be burned. Get any leak fixed before you drive the vehicle. If the coolant inside the coolant surge tank is boiling, don't do anything else until it cools down. The vehicle should be parked on a level surface. 5-31