What is the function of the AOFF button in a car?

[RemingtonDella]

The AOFF button in a car controls the automatic start-stop function, serving as a disable button for the vehicle's start-stop feature. When the button's indicator light is on, the start-stop function is turned off. Pressing the button to turn off the indicator light enables the start-stop function, although other conditions may also affect whether the function is disabled. The AOFF light being on indicates that the vehicle's engine automatic start-stop function is activated. This function effectively protects the engine from damage and helps reduce fuel consumption. Normally, the AOFF function can remain on, but it should be turned off when the vehicle is driving through deep water to prevent potential engine damage.