1995 Buick Century Owner's Manual - Page 114

Sometimes when the engine is idling at a stop, the light may blink on and off. This is normal. Battery Light The red battery warning light i s designed to come on briefly when you turn on the ignition, but the engine is not running, as a check to show you it is working. If you make a hard stop, the light may come on for a moment. This is normal. I NOTICE: Damage to your engine from neglected oil problems can be costly and not covered by your is warranty. I Then it should go out.If it stays on, or comes on while you are driving,you may have a problem with the electrical charging system. It could indicate that you have a loose generator drive belt or another electrical problem. Have it checked right away. Driving while this light is on could drain your battery. If you must drive a short distance with the light on, be certain to turn off all your accessories, such as the radio and air conditioner. 2-56