| 摘要 |
PROBLEM TO BE SOLVED: To provide a car navigation device having improved usability.SOLUTION: A control unit 9 includes a receiving unit 18 for receiving first wireless information from a locking device 3 of a vehicle 1 to a wireless key 5 and second wireless information from the wireless key 5 to the locking device 3 of the vehicle 1; an activation data storage unit 19 for storing the first and second wireless information received by the receiving unit 18; and a comparison unit 20 for comparing the first and second wireless information stored in the activation data storage unit 19 with the first wireless information from the locking device 3 of the vehicle 1 to the wireless key 5 and the second wireless information from the wireless key 5 to the locking device 3 of the vehicle 1 received by the receiving unit 18 thereafter. The activation control is performed by the comparison result of the comparison unit 20. |
