NHTSA Owner Complaint Log
This page lists owner-reported complaints filed with NHTSA for the 2004 Hyundai Sonata. Complaints are unverified consumer reports submitted to NHTSA and do not by themselves prove a defect or defect rate.
WHILE PARKED FUEL FUMES ESCAPED FROM THE VEHICLE. *AK TANK AND SEALS WHERE REPLACED PROBLEM STILL OCCURED. *TC
Data synced from NHTSA on May 4, 2026