1996 Buick Century Owner's Manual - Page 116

The oil light could also come on in three other situations: When the ignition is on but the engine is not running, the light will come on as a test to show you it is working, but the light will go out when you turn the ignition to START. If it doesn't come on with the ignition, you may have a problem with the fuse or a bulb. Have it fixed right away. Sometimes when the engine is idling at a stop, the light may blink on and off. Thisis normal. I NOTICE: Damage to your engine from neglected oil problems can be costly and is not covered by your warranty. Liftgate Ajar Warning Light (Wagon) The TAILGATE AJAR reminder light on your instrument panel will come on if your liftgate is not If you make a hard stop, the light may come on for a moment. This is normal. A CAUTION: Don't keep driving if the oil pressure is low. If you do, your engine can become so hot that it catches fire.You or others could be burned. Check your oil as soon as possible and have your vehicle serviced. TAILGATE AJAR 2-58