TSB: SERVICE ACTION: UVO HEAD UNIT REPLACEMENT (SA184) - THIS BULLETIN PROVIDES THE PROCEDURE TO REPLACE THE UVO HEAD UNIT ON SOME OF 2015MY SOUL (PS), SPORTAGE (SL) SEDONA (YP) AND FORTE (YD) VEHICLES, WHICH MAY EXHIBIT A CONDITION IN WHICH THE UVO AUDIO HEAD UNIT WILL INTERMITTENTLY NOT POWER UP. TO PREVENT AND/OR CORRECT THIS CONDITION, REPLACE THE AUDIO HEAD UNIT WITH A NEW ONE FOLLOWING THE SERVICE PROCEDURE OUTLINED IN THIS TSB. KIA IS REQUESTING THE COMPLETION OF THIS SERVICE ACTION ON ALL AFFECTED VEHICLES IN DEALER STOCK, PRIOR TO DELIVERY.