| 摘要 |
PROBLEM TO BE SOLVED: To provide a car finder function which makes bother less than before, when a user tries to find an own car while moving.SOLUTION: A predetermined car finder command is radio-transmitted from a portable terminal 1, on the basis that a predetermined car finder operation is executed to the portable terminal 1. An electronic key intermittently and repeatedly transmits a predetermined car finder signal to an in-car device 3, on the basis of receiving the car finder command. An answerback action (a report outside the car) is performed at a time when the in-car device 3 receives the car finder signal. |
