It converts the car's factory wiring connector into a standard ISO connector that fits straight into your new stereo. Directly to install, plug and play, just plug the adapter between the car's wiring harness and the new radio. This adapter is use to replacing your factory radio with an aftermarket CD player like Alpine, Pioneer, Kenwood, Sony, JVC or other aftermarket radio. Can be enjoying music through mobile phones, tablets and mp3, etc., then you can use your phone to play music through car speakers. Replacement for KIA, 2009- 2014 Sedona, 2011- 2013 Sorento, 2009- 2009 Amanti, 2010- 2013 Forte, 2009- 2010 Optima, 2009-2011 Rio, 2009-2010 Rondo, 2010- 2014 Soul, 2009 -2010 Sportage. ISO car radio wire harness compatible with Hyundai 2008-2011 Accent, 2009-2010 Sonata, 2009-2011 Azera, 2009- 2012 Santa Fe, 2009- 2010 Tucson, 2009- 2012 Veracruz, 2008- 2010 Elantra U.S only, 2008- 2012 Elantra Touring, 2009- 2014 Genesis.