A method for controlling a vehicle, the vehicle having a steer by wire and a brake by wire system is disclosed. Concurrent with the first Internet session, another Internet session is initiated at another IP address. Front openings are formed on the font case, and the tact switches are disposed in the resin case so that they face the respective front openings. By a process of the controlling microcomputer 6, data is transferred from the buffer memory 8 to the USB controller 10 through one of USB interfaces corresponding to PTP and mass storage class interface.