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How to Reset the BSI Unit of the Citroën Xsara Picasso

Model: Citroen Xsara Picasso MK 1 - Years 1999-2012
Part: Warning light – error code

To reset the BSI unit of the Citroën Xsara Picasso, simply disconnect the car battery for a few minutes. To disconnect it, you will need to loosen the screws that secure the driver's seat at the front and rear: once these screws are loosened, you can lift the seat and the plastic cover underneath, which contains the battery. This should be disconnected for about 3 minutes and then can be reconnected; after reconnecting, you can reassemble the removed parts, ensuring that the unit has been reset.

Updated on 25 June 2026 by ScegliAuto

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