What does an A on the car mean?

[KadenRose]

Car dashboard A is the auto start-stop function. If the auto start-stop is turned off, the dashboard will mostly display a circle A with OFF3 letters below. Some cars will display a circle A with a slash on top. The auto start-stop is a function developed by manufacturers to save fuel. According to authoritative tests, cars with auto start-stop function can save 10% to 15% of fuel annually. Here is extended information: Hazard warning lights: Hazard warning lights are used to alert other vehicles and pedestrians when the car has a major malfunction or emergency. The hazard warning signal is indicated by the simultaneous flashing of the front, rear, left, and right turn signals.