Abstract: A method and system for providing a user interface in a vehicle, wherein a wireless data link is formed between the vehicle and a mobile playback device which is releasably connected in the vehicle or is held freely by a user. Operating parameters relevant for the operation of the vehicle are detected on the vehicle and information relating to detected operating parameters is displayed by a display and control unit installed in the vehicle and which can be read from the driver's seat position. A wireless data link is formed between the vehicle and a mobile playback device which is releasably connected in the vehicle or is held freely by a user. Data for generating display content are transmitted via the wireless data link from the vehicle to the playback device, and on the basis of the transmitted data display content is generated on the playback device.