NAVIGATION SYSTEM AND METHOD FOR OPERATING A NAVIGATION SYSTEM

摘要

The invention relates to a navigation system for a motor vehicle. Said navigation system comprises at least one memory device on which at least one navigation card is stored. A reading device is used to read the or each memory device. A changing device is associated with said reading device, for changing memory devices to be read by the reading device. Said navigation system is also provided with a display device which enables a passenger of the vehicle to visualise a navigation card and information on the current position of the motor vehicle. According to the invention, a control device is provided for the changing device, controlling the same in such a way that the time to change the memory device can be determined such that the motor vehicle is unlikely to deviate from the current section of road on which it is travelling, during the exchange process of the memory device, on the basis of the current navigation data of the motor vehicle.