1998 Oldsmobile Aurora Owner's Manual - Page 132

Battery Warning Light This lightwill come on briefly when you start the vehicle, as a check to show you it is working, then it should go out. Brake System Warning Light Your vehicle's hydraulic brake system is divided into two parts. If one part isn't working, the other part can still work and stop you. For good braking, though, you need both parts working well. This lightshould come on when you turn the ignition key to-START. Ifit doesn't come on then, have it fixed so it will be ready to warn you if there's a problem. VOLTS If it stayson, or comes on while you are driving, you may have a problem with the electrical charging system. BRAKE FLUID (o> A warning chime and the message CHECK CHARGE SYSTEM may also come on. Have it checked right away. Driving while this lightis 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 climate control. If this warning light stays on after you start the engine, there could be a brake problem. Have your brake system inspected right away.