Patent ID: 7630831

Claim:
A navigation system used for a vehicle, the system comprising: map data acquisition means for acquiring map data to calculate a guiding route and perform route guidance; acceptance means for accepting information from a user; notification means for notifying the user; and control means including first routing means for calculating using the map data a first guiding route from a start point to a target region, which is obtained based on first information, the first information being accepted by the acceptance means from the user, second routing means for (i) causing, while approaching the target region via the first guiding route, the notification means to prompt the user to input second information for specifying a destination, (ii) specifying a destination, based on the second information from the user, accepted by the acceptance means, and (iii) re-calculating after calculating the first guiding route, using the map data, a second guiding route to the specified destination, and guidance means for providing route guidance by causing the notification means to notify the user of the first guiding route and the second guiding route, the first routing means being further configured to cause the acceptance means to accept a visit purpose, cause the notification means to notify the user of target regions, the target regions being notified in descending order of distribution densities of facilities corresponding to the accepted visit purpose when there are plural target regions, cause the acceptance means to accept, from the user, third information for specifying one of the target regions which were notified, and calculate the first guiding route to the target region specified based on the third information.