PLEASE READ FIRST!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! THIS IS NOT A LISTING FOR SALE IS FOR REPAIR ONLY!!!!! COMMON ISSUES: no sound or intermittent sound then no sound,stereo cutting out,no FM or AM radio We can guarantee repair your Hyundai head unit. We have equipment to bench test and repair your radio head unit. You just need to remove your head unit and send it to us. Hyundai i30 head unit, stereo, radio, GD-01, GD 01,