There are 1 owner-reported lighting complaints for the 2004 Buick Regalin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
TL* THE CONTACT OWNS A 2004 BUICK REGAL. THE CONTACT STATED THAT THE HEADLIGHTS FAILED TO WORK. THE MULTIFUNCTION LEVER HEADLIGHT BUTTON HAD TO BE HELD IN ORDER FOR THE HIGH BEAM HEADLIGHTS TO WORK. IN ADDITION, THE LOW BEAM HEADLIGHTS WOULD NOT OPERATE. THE VEHICLE WAS TAKEN TO THE DEALER, BUT THE FAILURE COULD NOT BE DUPLICATED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 114,000.
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 26, 2026