| 摘要 |
<p>PROBLEM TO BE SOLVED: To suppress an unnecessary alarm in outputting an alarm according to a traveling position of a vehicle.SOLUTION: When a vehicle alarm device 14 outputs an alarm according to a traveling position of a vehicle, if the frequency of travel of a certain vehicle in a certain area exceeds a predetermined reference, suppresses the output of an alarm in the certain vehicle at a first point included in the certain area. If the frequency of travel of the certain vehicle in the certain area falls less than the predetermined reference, the vehicle alarm device 14 executes the output of the alarm in the certain vehicle at the first point.</p> |
