The Alternator Warning Light is a dashboard indicator that alerts drivers when there is a problem with the vehicle's charging system. This light typically resembles a battery symbol and may illuminate when the alternator is not generating enough electricity to power the vehicle's electrical systems and recharge the battery. When the Alternator Warning Light comes on, it is important to address the issue promptly. Ignoring this warning can lead to a dead battery and potential breakdown. Common causes for the light to activate include a faulty alternator, loose or damaged wiring, or a worn-out battery.