If it does not , go to the main menu, navigate to -> System (システム) -> System Update (システムアップデート) .
Remove the original map SD card from your CN-R300WD. The card slot is located on the device behind the display panel. To access it, press the "TILT" button on the bottom right of the main body to tilt the screen open. Then, insert a separate, blank SD card into this slot. Panasonic Strada Cn-r300wd Software Download -