OBD interface for final coding to activate the central locking switch on the passenger side Simply connect the adapter to the vehicle's OBD interface - done! The interface automatically adapts the retrofitting to the vehicle's existing coding Suitable for: Audi A4 8W Audi A5 F5 Audi Q5 FY Scope of delivery: 1x Coding key Note: The diagnostic interface can be used multiple times, but only on the same vehicle Currently, retrofitting of vehicles from model year 2024 is not possible