2002 Oldsmobile Alero Owner's Manual - Page 124

Charging System Indicator Light The charging system indicator light will come on when you turn on the ignition, but the engine is not running, as a check to show you it is working. When the engine is running, the light should go out. If it stays on, or comes on while you are driving and you hear a chime, 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. Up-Shift Light (Manual Transaxle) (If Equipped) This light comes on when you need to shift to the next higher gear. See "Manual Transaxle Operation" in the Index. 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. If the warning light comes on, there is a brake problem. Have your brake system inspected right away. 2-62