One problem related to ignition switch 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.
When it is hot the key will get stuck in the ignition. Has to take ice water and put on the ignition switch to the key out. No trouble with the key in cooler weather. Took vehicle to the dealer and they changed the switches, but problem recurred. Also, the doors will not lock when the key is in the ignition. This happened on October 1, 2004.