To reduce the volume of unnecessary power supply to a visual sensor of an electronic device that includes a display unit to which power is supplied only while a user is looking at the display unit.

When a route guidance function determines that a current position detected by a current position detection unit has arrived at a guide point on a guide route, a notification unit provides a notification in order to prompt a user to look at a display unit and a power saving control function starts power supply to a visual sensor. Moreover, when the power saving control function determines that the visual sensor has detected that the user's face is facing the display unit, it starts power supply to the display unit and route guidance information is shown on the display unit.