| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide an electronic key system of a vehicle, which can maintain a high security level, even when two types of electronic keys, that is, a master key and a sub-key are provided. <P>SOLUTION: This electronic key system of the vehicle includes the two types of electronic keys, that are, the master key 11 and the sub-key 12. In this case, on condition that a storage portion for housing the sub-key 12 is provided in a vehicle interior, when the sub-key 12 is taken out of the storage portion in a state of leaving the master key 11 positioned in an indoor communicable area B, the sub-key 12 is determined to be in a lent-out state. When the master key 11 is positioned in the indoor communicable area B, a speaker 51 provides notification that the sub-key 12 is in an abnormal state, on condition that the sub-key 12 is not determined to be in the state of being taken out of the storage portion and the state of being lent out. <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |
