| 摘要 |
A map information guidance device installed in a vehicle is described, wherein map information stored in a map information storage medium is updated, based on map update information (32) distributed from a map distribution center (3). A first guidance is performed that uses the map information stored in the map information storage medium. Furthermore, an update target area (82) to be updated is identified when the map information is updated. If it is determined that the vehicle passes through the update target area based on a scheduled driving route, it is determined whether the update of the map information is complete when the vehicle reaches the update target area. If it is determined that the update is not complete, guidance of the update target area is switched from the first guidance to a second guidance that uses guidance information (80) created by the map distribution center (3). |
