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Frequently asked questions about cars and motorcycles

AIRBAG Warning Light Troubleshooting Instructions

Model: Audi A4 B6 - Years: 2000, 2001, 2002, 2003, 2004
Part: Warning light – error code

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If the AIRBAG warning light remains on the instrument cluster display, perform a diagnostic check to identify the correct fault code and evaluate the necessary intervention: the diagnosis refers to the driver seat detonator, indicating that the upper limit of the signal has been exceeded; experience suggests this anomaly is due to a loose connection of the connector located directly under the seat, and the solution involves removing the connector and making a direct connection of the wires; proceed by removing the seat, first taking off the plastic covers at the ends of the tracks, then unscrewing the mounting pins; once the seat is removed, disconnect the yellow connector and connect the wires directly.


Updated on 16 February 2026 by ScegliAuto


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To reset the AdBlue system on a 2018 Peugeot Boxer, follow these steps: Start the engine and ensure the vehicle is parked in a well-ventilated area. Locate the "MENU" button on the dashboard or steering wheel controls. Press and hold the "MENU" button until the menu options appear on the display. Use the arrow buttons or scroll wheel to access the "Vehicle Settings" or "Settings" menu. Select the "AdBlue" or "AdBlue System" option. Look for the "Recharge" or "Reset" option in the AdBlue menu. Once you find the reset option, select it and confirm your choice when prompted. The system will be reset, and a confirmation message may appear on the display. Turn off the engine and wait a few seconds. Restart the engine and check that the AdBlue system has been reset.

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