Vehicle or vehicle trailer with built-on structure has vibration or shock sensor that is provided at loading side wall or built-on structure and that communicates with control unit for switching on interior light

摘要

The vehicle includes a vibration or shock sensor (30) that is provided at the loading side wall (14) or on the built-on structure (12). The sensor communicates with a control unit (20) that switches on the interior light (22) when the loading side wall is opened and the control unit receives signals from the vibration and shock sensor.