With this dongle, it is possible to engage the parking brake on the rear axle for brake pad replacement. Suitable for the following vehicles: VW Arteon 3H, VW Atlas CA1, VW Golf 7, VW Passat B8, VW Tiguan AD1, BW2, VW Touran 5T, VW T-Roc A11, Audi A3 8V, Audi Q2 GA, Audi Q3 F3, Audi TT FV, Seat Ateca KH7, Seat Leon 5F, Seat Tarraco KN2, Seat Toledo KG, Skoda Karoq NU7, Skoda Kodiaq NS7, Skoda Superb 3V. Others available upon request. Activation and deactivation are performed via your vehicle's diagnostic interface. The adapter simply connects to the vehicle's OBD interface – that's it! The function is not permanently activated; it can be deactivated at any time using the dongle. Example: 1st use = service position activated; 2nd use = reset to factory settings (service position deactivated); 3rd use = service position activated; etc. Package contents: 1x coding key. Notes: The coding dongle can only be used for one vehicle. Not suitable for vehicles equipped with a handbrake.