| 摘要 |
An emergency vehicle alert system includes a first GPS receiving unit that is provided on the emergency vehicle and that determines emergency vehicle location information of the emergency vehicle. The system also includes a radio-wave transmitter unit that is provided on the emergency vehicle and that transmits the emergency vehicle location information by way of an emergency vehicle location signal. The system further includes a second GPS receiving unit that is provided on the motor vehicle and that determines vehicle location information of the motor vehicle. The system also includes a radio-wave receiver unit that is provided on the motor vehicle and that receives the emergency location signal output by the radio-wave transmitter unit of the emergency vehicle. The system further includes a map display that displays, on a map, a current location of the motor vehicle and a current location of the emergency vehicle. The emergency vehicle is shown as an icon on the map, which has a different visual characteristic depending on the position of the emergency vehicle with respect to the motor vehicle.
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