One problem related to adaptive equipment has been reported for the 2004 Hyundai Sonata. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2004 Hyundai Sonata based on all problems reported for the 2004 Sonata.
The chrome plating on the interior door latches is peeling off causing passengers to cut their hands/fingers when opening the door.
| Equipment problems | |
| Air Conditioner problems | |
| Adaptive Equipment problems | |
| Anti-theft Devices problems |