One problem related to mid/rear seats assembly 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.
Incident: 2004 Hyundai Sonata lx left rear seat foldable seat back release button does not snap back after being pressed for folding down the seat back. Thus, when seat back is folded into the upright position again, lock does not snap and engage, leaving the seat back loose. In case of breaking or front crash seat back most certainly will fold down.
| Seats problems | |
| Mid/rear Seats Assembly problems |