1998 Buick Regal Owner's Manual - Page 244

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 there is a leak. If you run if the engine, it could all coolant. That could lose cause an engine fire, and could be burned. you Get any leak fixed before drive thevehicle. you The coolant level should be at or above the COLD mark on the overflow hose in the coolant bottle. NOTICE: Engine damage from running your engine without coolantisn't covered by your warranty. If there seems to be no leak, with the engine on, check to see if the electric engine cooling fans arerunning. If the engine is overheating, both fans should be running. If they aren't, your vehicle needs service. If it isn't, you may have a leak in the radiator hoses, heater hoses, radiator, water pump or somewhere else in the cooling system. 5-18