Problems · by component
2004 Buick Regal electrical system problems
35 owner complaints to NHTSA about the 2004 Buick Regal cite electrical system, 53% of all 66 complaints for this model year.
Complaints
35
53% of all complaints
Crashes
0
Reported by owners
Fires
0
Reported by owners
Injuries
0
Reported by owners
What owners say about the electrical system
Verbatim from NHTSA complaints, newest first
“ALL 4 POWER WINDOW MOTORS DO NOT WORK. THEY ALL FAILED WITHIN 6 MONTHS OF EACH OTHER. I CHECKED ON YOU TUBE AND FOUND THAT ALMOST ALL BUICK REGALS HAVE THIS PROBLEM OF POWER WINDOW MOTORS BREAKING. THERE ARE HUNDREDS OF COMPLAINTS ON YOU TUBE ALONE FOR THIS ISSUE. I BELIEVE THIS IS PROOF THAT THE POWER WINDOW MOTORS ARE DEFECTIVE AND PROBABLY MADE THIS WAY TO FORCE OWNERS TO MAKE EXPENSIVE REPAIRS. I AM ASKING YOU TO FORCE BUICK TO RECALL THEIR REGAL MODELS AND HAVE THE WINDOW MOTORS REPAIRED AT BUICK'S EXPENSE.”
“THE FIRST TIME THE CAR STALLED WAS AS I WAS APPROACHING THE STOP SIGN.IT STALLED AND THE DASH LIGHT ALL CAME ON. I WAS ABLE TO RE-START IT AFTER PUTTING IT IN PARK. IT THEN HAPPENED AGAIN THE SAME AS BEFORE I GOT HOME. THE NEXT DAY IT DROVE NORMAL FOR AWHILE THEN AS I WAS STARTING IT UP AGAIN IT STARTED WITH A NOISE AND THE LIGHTS ON THE DASH A LIT UP AGAIN. IT SEEMED TO RUN NORMAL AGAIN. BUT A BIT LATER AS I WAS SLOWING DOWN TO MAKE A TURN INTO A PARKING LOT IT STALLED AGAIN. I BROUGHT IT INTO AN INDEPENDENT AUTOMOTIVE GARAGE AND THEY HOOKED UP TO THEIR TESTER AND COULD NOT FIND ANYTHING ABNORMAL WITH THE CAR.”
“TL* THE CONTACT OWNS A 2004 BUICK REGAL. THE CONTACT STATED THAT THE ENGINE WOULD SHUT OFF WHILE THE VEHICLE WAS IN OPERATION. THE VEHICLE WAS ABLE TO RESTART BY USING THE KEY FOB, BUT WOULD SHUT BACK OFF WHEN THE KEY WAS INSERTED IN THE IGNITION. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC TO BE DIAGNOSED, BUT A FAILURE WAS NOT FOUND. THE DEALER AND MANUFACTURER WERE NOT CONTACTED. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS 97,000.”
“TL* THE CONTACT OWNS A 2004 BUICK REGAL. WHILE DRIVING VARIOUS SPEEDS AND WHILE MAKING A LEFT OR RIGHT TURN, THE VEHICLE WOULD INTERMITTENTLY LOSE POWER. THERE WERE NO WARNING INDICATORS ILLUMINATED. THE CONTACT WAS ABLE TO RESTART THE VEHICLE BY WIGGLING THE KEY IN THE IGNITION SWITCH. THE CONTACT NOTICED THAT THE FAILURE OCCURRED WHEN THE TURN SIGNALS WERE ACTIVATED. THE VEHICLE WAS NOT TAKEN TO A DEALER OR AN INDEPENDENT MECHANIC FOR DIAGNOSTIC TESTING. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 95,000.”
“TL* THE CONTACT OWNS A 2004 BUICK REGAL. WHILE DRIVING SLOW SPEEDS, ALL THE INSTRUMENT CLUSTER WARNING INDICATORS ILLUMINATED AND THE ENGINE SEIZED. THE CONTACT WAS ABLE TO RESTART THE VEHICLE AFTER SEVERAL ATTEMPTS. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHO DIAGNOSED THAT THE BATTERY NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 46,000. UPDATED 06/21/17*LJ *AS”
“TL* THE CONTACT OWNS A 2004 BUICK REGAL. THE CONTACT STATED THAT WHILE DRIVING AT APPROXIMATELY 60 MPH, THE VEHICLE STALLED WITHOUT WARNING. AFTER RESTARTING, THE VEHICLE RESUMED AS NORMAL. THE FAILURE RECURRED NUMEROUS TIMES. THE VEHICLE WAS TAKEN TO THE DEALER WHERE IT WAS DIAGNOSED THAT THE IGNITION SWITCH WOULD NEED TO BE REPLACED. THE VEHICLE WAS REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 120,000.”
Showing 6 of 35 reports. Read every report on NHTSA.gov.
Data from NHTSA Complaints API (owner reports, unverified) · synced Nov 9, 2026NHTSA vehicle page
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.