This head unit for 2011 and 2012 hyundai elantra comes with navigation system built-in. The 2011 / 2012 hyundai elantra dvd player also comes with bluetooth handsfree function, support bluetooth music, can connect ipod or iphone, with FM / AM tuner, also with can-bus to support steering wheel control. Where to buy? http://www.dvdgpsnav.com/2011-2012-hyundai-elantra-navigation-system-elantra-dvd-gps-head-unit.html