| 摘要 |
A road instruction information system for a vehicle is provided that provides road data to a destination point through a wireless communications network. The road instruction information system comprises a control terminal mounted in the vehicle, the control terminal transmitting road search request information through a wireless communications network, and receiving road coordinate information through the wireless communications network and informing the driver of the same through images or voice instructions; and an information center receiving the road search request information, and searching potential routes and a destination point from map data and a present position, after which the information center generates road coordinate information and transmits the same to the control terminal.
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