A pass-key electronic module is provided for enabling remote control of a function in a motor vehicle equipped with a key identity code verifying anti-theft system, under control of a vehicle control unit connected to a key identity code receiving sensor through a data communication link and an enable...http://www.google.com.tw/patents/US6700220?utm_source=gb-gplus-share專利 US6700220 - Remote control pass-key module for anti-theft system equipped vehicles and installation method
