NAVIGATION DEVICE

A navigation device includes: a hands-free call unit that is connected to a mobile-phone handset and provides a hands-free call; an acquisition unit that acquires from the mobile-phone handset data related to a phone number stored in the mobile-phone handset; a display control unit that displays a screen based upon the data related to the phone number acquired by the acquisition unit; a storage unit in which the screen displayed by the display control unit when power is turned off is stored; and a redisplay control unit that calls and redisplays the screen stored in the storage unit when the power is turned on again after having been turned off.