What does the alternator warning light indicate?

The alternator warning light indicates a low battery condition, signifying that the vehicle’s charging system is not functioning correctly. This light illuminates when the alternator is not generating enough electricity to charge the battery while the engine is running. A well-functioning alternator helps maintain battery voltage and supplies power for electrical components. If the warning light comes on, it can result from various issues such as a faulty alternator, drive belt problems, or a corroded battery connection. Addressing this signal promptly is essential to avoid battery drain and potential vehicle breakdown.