| 摘要 |
PROBLEM TO BE SOLVED: To prevent registration of a key capable of starting an engine other than an owner of a vehicle, by registering an unregistered key inserted into a main switch within a fixed time as a sub-key, after turning on and off the main switch by using a key with an identification code registered in a controller. SOLUTION: Registration for a first sub-key is carried out in such a manner that, after a main switch 30 is turned off by using a master key and the master key is pulled out, a key 34 with a transponder 36 is inserted in the main switch 30 within a fixed time to turn on the main switch 30. Before registration for a second sub-key, the main switch is turned off by the first sub-key and the first sub-key is pulled out and then the key 34 with the transponder 36 is inserted in the main switch 30 within a fixed time to turn on the main switch 30. According to the constitution, unless a new key is inserted into the main switch 30 within a fixed time after the master key or the first sub-key is pulled out, the registration for the sub-keys is not allowed after passage of a fixed time. Thereby, unright registration can be prevented. |
