1998 Buick Century Owner's Manual - Page 283

A CAUTION: Turning the radiator pressure cap when the engine and radiator are can allow steam and hot scalding liquids to blow out and burn you badly. With the coolant recovery tank, you will almost never have toadd coolant at the radiator. Never turn the radiatorpressure cap even a hot. little when the engine and radiator are Radiator Pressure Cap I NOTICE: Your radiator cap is a 15 psi (105 kPa) pressure-type cap and must be tightly installed to prevent coolant loss and possible enginedamage from overheating. Be sure the arrows on the cap line up with the overflow tube on the radiator filler neck. When you replace your radiator pressure cap, an AC' cap isrecommended. -- 9- '- CAUTION: A You can D wrned if you spill coolant on hot e engine parts. Coolant contains ethylene glycol, and it will burn if the engine parts arehot enough. Don't spillcoolant on a hot engine. t Thermostat Engine coolant temperature is controlled by a thermostat in the engine coolant system. The thermostat stops the flow of coolant through the radiator until the coolant reaches a preset temperature. When you replace your thermostat, an AC@thermostat is recommended. 6-23