One problem related to horn assembly has been reported for the 2012 Kia Motor Sedona. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2012 Kia Motor Sedona based on all problems reported for the 2012 Sedona.
Took vehicle to dealership for recall, wiring harness. When done, the horn, left rear door lock switch and the radiator fans stopped working. All these worked prior to the recall work. And these items do work when bypassing with a battery, hooking them directly to power.