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How do you program the key for the Smart Forfour?

Model: Smart Forfour W454, MK 1 - Years 2004-2006
Part: Key

Video tutorial
Detailed instructions - To program the key of the Smart Forfour, it will be possible to insert the blank key into the corresponding slot: once the key is inserted, it will be possible to connect a diagnostic tool to the car's OBD port, which is located immediately below the steering column. Once the connection is made, it will be possible to follow the instructions on the screen to ensure that the key is correctly associated with the ECU. Then, the scanner can be disconnected to verify that everything is working properly.

Posted on 20 October 2025 by ScegliAuto


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