1997 Pontiac Sunfire Owner's Manual - Page 225

If the coolant inside the coolant surge tank is boiling, don't do anything else until it cools down. Heater and radiatorhoses, and other engine parts, can bevery hot. Don't touchthem. If you do, you can be burned. Don't run theengine if there isa leak. 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 thevehicle. I NOTICE: The coolant level should be at the FULL COLD line. 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. Engine damage from running your engine by without coolant isn't covered your warranty. ~~ ~~ If there seems to be no leak, with the engine on, check to see if the electric engine fan is running. If the engine is overheating, the fan should be running. If it isn't, your vehicle needsservice. 5-17