Final answer:
The alternator warning light indicates trouble in the electrical system of a vehicle.
Step-by-step explanation:
The alternator warning light indicates trouble in the electrical system.
When the alternator is not functioning properly or there is a problem in the electrical system, the warning light will illuminate on the dashboard of the vehicle.
For example, when you start the engine of your car, the alternator begins generating electricity to power the various electrical components and charge the battery.
If there is an issue with the alternator, such as a faulty voltage regulator or a broken belt, the warning light will turn on to alert the driver of the problem.
It is important to address the issue promptly as a malfunctioning alternator can lead to a drained battery, loss of electrical power while driving, and potential engine stalling.