| 摘要 |
<p>A vehicle alarm device has a control unit, provided with a transponder presence detector, and a mobile transponder; the control unit is connected to the electric system of the vehicle and is provided with a means for the interruption of a service of the electric system when the transponder presence detector does not detect the presence of the transponder when the transponder is moved away from the control unit. The service interruption means blocks the central locking of the doors and of the hatch of the vehicle.</p> |
