To permanently deactivate and reactivate the seat belt warning of your Mercedes Benz Sprinter 906 Activation and deactivation via the diagnostic interface of your vehicle Simply connect the adapter to the vehicle's OBD interface - done! A After successful coding, the seat belt warning is permanently deactivated The function is not permanently deactivated, but can be reactivated at any time with the dongle Example: 1st use = seat belt warning is deactivated 2nd use = seat belt warning is activated 3rd use = seat belt warning is deactivated 4th use = etc. Package includes: 1x Codierdongle Notes: Sales are only made outside of Germany