| 摘要 |
PROBLEM TO BE SOLVED: To effectively utilize on-vehicle navigation devices when automobiles move together to the same destination in such a state that one automobile leads the other automobile as a leader. SOLUTION: The on-vehicle navigation devices 15 of automobiles 10a and 10b are constituted to transmit and receive the present locations of their own automobiles 10a and 10b to and from each other through transceivers 16. The navigation device 15 of the automobile 10b searches the recommended route from the present location of its own automobile 10b to the present location of the automobile 10a based on the received present location of the automobile 10a and suitably displays the route on a liquid crystal display 24. |
