1998 Buick Century Owner's Manual - Page 239

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 is overheating, both fans should be running. If they aren't, your vehicle needs service. How to Add Coolant to the Coolant Recovery Tank If you haven't found a problem yet, but the coolant level isn't atthe COLD mark, add a 50/50 mixture of clean water (preferably distilled) and DEX-COOL@ engine coolant at the coolant recovery tank. (See "Engine Coolant" in the Index for more information.) Heater and radiatorhoses, and other camdine 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. you run if If the engine,it could lose all coolant. That could cause an engine fire, and could be burned. you Get any leak fixed before drive thevehicle. you I NOTICE: Engine damageif you keep running your engine without coolant isn't covered your warranty. by See "Overheated Engine Protection Operating Mode" in the Index. If there seems to be no leak, with the engine on, check to see if the electric engine cooling fans are running. If the Adumg d y plain water to your cooling system or can be dangerous. Plain water, some other liquid like alcohol, can boil before the proper coolant mixturewill. Your vehicle'scoolant warning systemis set for the proper coolant mixture. With plain water or the wrong mixture, your engine could get too hot but wouldn't you get the overheat warning. Your engine could catch fire and you or others could be burned. Use a 50/50 mixture of clean water and DEX-COOL@ coolant. 5-19