The present invention provides the simple operation for displaying the information that is expected to be necessary for the user and the simplified procedure of the hands-free operation when displaying the map information on the screen. The display device 20 in which an arrangement state of the screen can be selected between a first state and a second state displays on the screen the detailed information of a destination or its surrounding area such as parking lot information, an access route guide to the transportation facilities, and information of the facility of the destination is displayed on the screen if a change of the arrangement of the screen is detected, if the destination has been set in advance, and if a distance between a current position and the destination is within a predetermined distance. Further, it comprises a display control means 27 for displaying at least a portion of the information acquired by the information acquisition means 23 if the change in the arrangement state of the screen is detected after the external equipment detection means 25 detected the connection of the external equipment 4.