1. Pull out the SD memory card of navigation system.
2. Connect the computer to find the drive letter of the SD memory card.
3. Open the SD memory card and find the private folder inside. The name is usually mv or mp4.
4. Copy the downloaded songs to this folder.
5. Insert the SD memory card back into the navigation system and restart the car navigation system. It is best to plug in and out the car keys at one time.
6. Test the song playing.