| 摘要 |
PROBLEM TO BE SOLVED: To provide a car navigation device preventing personal information in the car navigation device that a plurality of users use from leaking by performing erasure processing on the personal information so as to improve usability for the users, a portable terminal device associated therewith, a car navigation system, and a program.SOLUTION: There is provided a car navigation device (20) which is mounted on an automobile, and gives a user a guidance to a destination, and a main control part (212) includes an association processing part (222) which authenticates and associates a portable terminal device (30) that the user carries, and an information management part (223) which erases personal information input during use and related to the user of the associated portable terminal device (30) when the use of the device main body is finished. |
