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What are the reasons why the auto start-stop function cannot be used?

1 Answers

DiEmma

07/30/25 1:00am

There are several reasons why the auto start-stop function may not be usable, including the system being turned off, conditions for activation not being met, or system malfunction. Below are the detailed explanations: System being turned off: Generally, vehicles equipped with the auto start-stop function have the system enabled by default. If it fails to start, it might be due to accidentally pressing the auto start-stop button, which turns off the system. It is necessary to check whether the system has been turned off. Conditions for activation not being met: For manual transmission vehicles, the conditions for activating the auto start-stop function are more complex. When parking, the system will only activate after recognizing three actions: "shifting to neutral, pulling the handbrake, and releasing the clutch." Different models from various brands have different designs for the auto start-stop system. Taking the New Passat's auto start-stop system as an example, it must meet certain conditions, such as fastening the seatbelt, closing the second left front door, and the engine being in the started state. It is advisable to refer to the precautions in the user manual. System malfunction: If the auto start-stop system malfunctions, or if the system fails to work due to wiring or other reasons, it is best to have it inspected and repaired at a 4S shop.

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