1996 Buick Regal Owner's Manual - Page 203

If the coolant inside the coolant recovery tank is boiling, don't do anything else until it cools down. Heater and radiatorhoses, and other engine parts, canbe very hot. Don't touch them. If you do, you can be burned. Don't run the engine if there is a leak. If you run the engine, it could loseall coolant. That could cause an engine fire, and you could be burned. Get any leak fixed before you drive thevehicle. I NOTICE: The coolant level should be at or above COLD mark. If it the isn't, you may have a leak in the radiator hoses, heater hoses, radiator, waterpump or somewhere else in the cooling system.If there seems to be no leak, with the engine on, check to running. If the engine see if the electric engine fans are is overheating, both fans should be running. If they aren't, your vehicle needs service. Engine damage from running your engine without coolant isn't covered by your warranty.