The in-vehicle information apparatus 1 according to the present invention for presenting, to a user, information which includes a returning
route is composed of the following: a
home position holding unit 102 for holding beforehand a position of the user's home; a home
arrival time holding unit 103 for holding beforehand a home
arrival time of the user; a present position obtainment unit 106 for obtaining a present position of the user; a present time obtainment unit 107 for obtaining a present time; a
route search unit 108 for obtaining a returning
route from the present position to the user's
home position, a required time for the returning route, and a departure time to leave the present position so that the user can get home by the home
arrival time; and a presentation unit 111 for comparing the departure time obtained by the
route search unit 108 and the present time, and presenting to the user the departure time and the returning route obtained by the
route search unit 108, before the departure time is passed.