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　　◎ voice navigation:

　　Driving information such as providing the driver's intersection, the status of the navigation system in advance with the voice of the voice, is like a guide who knows the road telling you how to drive to your destination. The most important function in navigation allows you to reach your destination without watching the operation terminal.

　　◎ Screen navigation:

　　On the operation terminal, the map, the current position of the car, the speed of the driving, the distance of the destination, the planned route prompt, and the driving information prompted at the intersection.

　　◎ Re -plan the line:

　　When you do not drive according to the planned route, or walk the wrong intersection, the GPS navigation system will re -plan a new line to reach your destination according to your current position.

　　The qualification rate of the car GPS navigation system is only 25%. It is reported that this time, a total of 40 batches of GPS navigators produced by more than 40 enterprises in Guangzhou, Shenzhen, Zhuhai, and Dongguan, 10 batches of qualified qualifications, the pass rate was only 25%. Experts said that nearly half of the product's GPS navigator has unqualified accuracy of the product positioning, and half of the products with excellent radiation standards are more likely to cause traffic accidents for some drivers who are too dependent on navigators.

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