| 摘要 |
<p>PROBLEM TO BE SOLVED: To notify an occupant that a door of a vehicle cannot be locked due to a communication failure.SOLUTION: A keyless operation device 10 locks/unlocks a door 22 of a vehicle 20 when an authentication is established by communication with a communication device 50 of an occupant P of the vehicle 20 and when an operation of the occupant P operating a switch 24 arranged outside the vehicle 20 is detected. Notification means 410 notifies the occupant P that locking of the door 22 has not been completed when an operation on the switch 24 is detected within a predetermined time after all the doors 22 of the vehicle 20 are closed and when the communication with the communication device 50 is not established.</p> |
