Method for operating navigation system mounted in vehicle, involves obtaining maximum range of vehicle with full fuel tank and current range of vehicle with current fuel level fuel as boundary condition for route calculation

摘要

The method involves complementing map database with a memory area, in which supply stations for vehicle fuels are stored. Each feed point for vehicle fuel is saved. The maximum range of vehicle with a full fuel tank and the current range of the vehicle with the current fuel level fuel are obtained as a boundary condition for the route calculation.