1. A method of operating a vehicle device having a transmitting and receiving unit for wire-free data transmission and an electronic computing unit operatively coupled to the transmitting and receiving unit, the method comprising the acts of: receiving, via the transmitting and receiving unit, radio signals from data glasses, wherein no radio signals from the data glasses had previously been received; recognizing that the data glasses are in use relative to the vehicle, further comprising: detecting, via the electronic computing unit, a temporal relationship between an operation of the vehicle and the receiving of the radio signals from the data glasses, wherein the operation of the vehicle comprises one or more of: an unlocking of the vehicle, movement of windows of the vehicle, an opening of a door of the vehicle or an actuation of operating elements of the vehicle; and in response to the detecting of the temporal relationship, executing a predetermined function.