One problem related to door latch has been reported for the 1996 Hyundai Sonata. The most recently reported issues are listed below.
Door lock would keep locking on its own. When either in or out of vehicle locks would either keep driver/passenger in/or locked out. Had door locks repaired 5 times, but problem keeps reappearing. Mechanic indicated to bring it in when it happens, but it's not resolved. Dealer urged consumer to take vehicle to another dealership for repairs.