| 摘要 |
PROBLEM TO BE SOLVED: To provide a technique, which allows an on-vehicle communication device to perform a predetermined process by remote control through operation of a portable information terminal, to prevent a thief from allowing the on-vehicle device to perform the predetermined process only with the stolen portable information terminal.SOLUTION: When a user performs remote operation to a portable telephone 2, the portable telephone 2 transmits a request command to a portable machine 3 using NFC. The portable machine 3 transmits a regular key ID to be qualified by an on-vehicle system 1 to the portable telephone 2 on the basis of reception of the request command. The portable telephone 2 transmits the received key ID and the request command to the on-vehicle system 1. The on-vehicle system 1 performs a process corresponding to remote command on the basis that the received key ID is the regular key ID or does not perform the process corresponding to the remote command on the basis that the received key ID is not the regular key ID. |
