IN-VEHICLE DEVICE, INFORMATION PROCESSING METHOD, AND PROGRAM

An in-vehicle device that is mounted on a vehicle and is connected to a relay device through an in-vehicle network such that communication is available, the device including a control unit performing processing relevant to network setting information used by the relay device, in which the control unit acquires user information relevant to a user of the vehicle, outputs the acquired user information to a vehicle exterior server provided outside the vehicle, acquires information of an available service that can be used by the user from the vehicle exterior server, and outputs a network setting change instruction generated on the basis of the acquired information of the available service to the relay device or an in-vehicle ECU.