Is the Auto Start-Stop Light On Indicating Activation or Deactivation?

1 Answers
VanThomas
07/30/25 7:13am
Auto Start-Stop light on indicates deactivation. When the vehicle is initially started, the Auto Start-Stop system defaults to the activated state, and the light remains off. If the Auto Start-Stop is turned off, there will be a prompt on the dashboard: a yellow light illuminates, with a circular A symbol accompanied by the letters OFF below, indicating the Auto Start-Stop is deactivated. The display may vary depending on the vehicle model; some models show a circular A with a diagonal slash. The working principle of Auto Start-Stop involves embedding an enhanced motor with idle start-stop functionality into a traditional engine. This allows the engine to completely shut off and cease operation when the vehicle meets the conditions for idling stop. When the vehicle needs to start moving again, the idle start-stop motor system quickly responds to the driver's start command, rapidly restarting the engine.
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