| 摘要 |
<p>PURPOSE:To contribute to the prevention of occurrence of driving troubles and traffic accidents by correctly exchanging greeting for the driving manner in a law abiding manner and with the give-and-take spirit. CONSTITUTION:A letter display means 2 to transmit the driving will to an occupant in other vehicle by letters is mounted on the rear part side of a vehicle body, and a switching means 3 to turn on/off the letter display means 2 is mounted on the steering wheel or the panel surface around a driver's seat, and at the same time, the letter display means 2 is electrically connected to the switching means 3 by a harness circuit 5 whose power source is an on- vehicle battery 4.</p> |
