| 摘要 |
The device (10) has a first luminous display unit (24) for locating a functional unit of a motor vehicle by lighting, and second and third luminous display units (23, 25) for displaying information indicating position of the motor vehicle, where the device is powered by a main power supply battery (31) of the motor vehicle. A position sensor (21) determines the position of the motor vehicle. Secondary power supply units (22) supply power for the device in an event of failure of the main power supply battery. |
