Yes, the Hyundai Equus 2012 works with the CoolStream Duo. The Duo plugs into the 30 Pin iPod connector of the Hyundai Equus and allows you Bluetooth streaming to the Hyundai stereo.
You can pair your iPhone or Android phone to the CoolStream Duo and stream music or Podcasts. The Duo will power on when you start the Hyundai’s engine and automatically re-connect to your phone. Continue reading: Does the Duo work with the Hyundai Equus 2012?