One problem related to horn assembly has been reported for the 2000 Hyundai Sonata. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2000 Hyundai Sonata based on all problems reported for the 2000 Sonata.
There was an erratic operation when the accelerator pedal is applied. The dealer could not duplicate the problem. The horn malfunctioned, the door(s) closed by themselves, and when the vehicle was driven pass the 40 mph mark, the transmission operated as if were catching up. Scc.