1997 Pontiac Bonneville Owner's Manual - Page 232
1997 Pontiac Bonneville Manual
Page 232 highlights
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 theengine if there is a leak. If you run the engine, it couldlose all coolant. That could cause an engine fire, and you could be burned. Get anyleak fixed beforeyou drive thevehicle. The coolant level should be at or above the FULL COLD mark. I NOTICE: Engine damagefrom running your engine without coolant isn't covered by your warranty. I 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. If there seems to be no leak, with the engine on, check to see if the electric engine fans are running. If the engine is overheating, both fans should be running. If they aren't, your vehicle needs service. 5-19