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A letter A inside a circular arrow.
Also known as: Stop-start, A with a circle round it
An A ringed by an arrow. Green usually means the engine has shut down at a standstill and will restart; amber usually means the system tried and could not, most often because the battery is low.
A tell-tale showing the letter A within a circular arrow, indicating the state of the automatic engine stop-start system.
What this lamp means on a particular vehicle, and what to do about it, is in that vehicle's handbook. The symbol names the system; it does not diagnose the fault.
Contexts: Vehicle dashboard
An amber version reporting that stop-start is unavailable is frequently the first visible sign of a tiring battery, because the system declines to shut the engine down when it doubts it can restart it.
What this lamp means on a particular vehicle, and what to do about it, is in that vehicle's handbook. The symbol names the system; it does not diagnose the fault.
A capital A enclosed by a circular arrow that runs almost all the way round it.