| 摘要 |
PURPOSE: A car navigation system is provided to manage efficiently a car CONSTITUTION: In a method of manage efficiently a car using a car navigation system that saves an information about a exchange condition by a car mileage, a car navigation system confirms the present mileage and assorts the parts required to exchange comparing a confirmed mileage with a exchange condition and displays the massage which knows the exchange requirement of the assorted parts, and renews the exchange condition of a parts by inputting the exchange confirmation previously established
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