How to Set Wallpaper for your Car DVD Player GPS radio from SD or USB

From this video, you can see exactly how to set wallpaper/background for your installed car DVD player and GPS navigation head unit. You can set from settings, wallpaper or copy your own wallpapers into a SD card or USB device then set it in SD or USB function. For more questions you may have, just contact www.dvdgpsnav.com .