2003 Chevrolet Monte Carlo Owner's Manual - Page 267

An electric engine cooling fan under the hood can start up even when the engine not is running and can injure you. Keep hands, clothing and toolsaway from any underhood electric fan. Check to make sure that the coolant level is up to the COLD fill level on the side of the coolant recovery tank. 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 If the coolant inside the coolant recovery tank is boiling, don't do anything else until it cools down. The vehicle should be parked on a level surface. 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 a If you run leak. the engine,it could loseall coolant. That could cause an engine fire, and you could be burned. Get any leak fixed before you drive the vehicle. The coolant level should be at or above the COLD mark on the coolant recovery tank. To check the coolant level, look for the COLD mark on the side of the coolant recovery tank that faces the engine. If there seems to be no leak, with the engine on, check to see if the electric engine cooling fans are running. If the engine is overheating, both fans should be running. If they aren't, your vehicle needs service. Notice: Engine damage from running your engine without coolant isn't covered by your warranty. See "Overheated Engine Protection Operating Mode'' in the Index for information on driving to a safe place in an emergency. 5-32