1999 Buick Regal Owner's Manual - Page 215

yellowblue Cooling System When you decide it's safe to lift the hood, here's what you'll see (3800 supercharged engine similar): CAUTION: An electric engine cooling fan under the hood can start up even when the engine is not running and can injure you. Keep hands, clothing and tools away from any underhood electric fan. If the coolant inside the coolant recovery tank is boiling, don't do anything else until it cools down. A. Electric Engine Cooling Fans B. Radiator Pressure Cap C. Coolant Recovery Tank 5-11