52 complaints reported

2012 Hyundai Sonata UNKNOWN OR OTHER

Owner-reported problems and safety issues filed with NHTSA. Review common failures, severity levels, and complaint trends over time.

Reports
52
Crashes
2
Fires
3
Injuries
1

Complaint Timeline

Chronological view of owner reports

May 2021

Brake lights stay illuminated when car is off. Loses speed while in motion. ESC lights come on.

Type: Vehicle, Vehicle: 2012 HYUNDAI SONATA, Manufacturer: Hyundai Motor America
Incident: Feb 2021
Apr 2021

I WAS DRIVING HOME FROM WORK WHEN I HEARD AN EXTREMELY LOUD BOOM, IT SOUNDED LIKE A BOMB WENT OFF IN MY CAR. THEN I WAS SHOWERED WITH GLASS FROM ABOVE. I IMMEDIATELY SLAMMED ON MY BREAKS (FORTUNATELY I WAS ON A COUNTRY ROAD WITH NO ONE BEHIND ME). THE FRONT SEAT PORTION OF MY PANORAMIC SUNROOF HAD EXPLODED. I PULLED OVER AND GOT OUT, LOOKING FOR A BULLET AS I THOUGHT SOMEONE HAD SHOT AT ME THEN FOR A ROCK OR ANYTHING THAT WOULD EXPLAIN WHY MY SUNROOF JUST EXPLODED GLASS ALL OVER ME. I FOUND NOTHING. I DROVE HOME CRYING AND SHAKING. MY BF TOLD ME TO GOOGLE WHAT JUST HAPPENED TO SEE IF THIS HAS HAPPENED TO OTHER PEOPLE. APPARENTLY IT HAS! I AM UNSURE WHY I WAS NEVER NOTIFIED OF THE CLASS-ACTION LAW SUIT, AS I BOUGHT MY CAR FROM A DEALER AND HAVE HAD IT FOR JUST OVER 6 YEARS NOW. FORTUNATELY IT IS COVERED UPTO 120,000 MILES DUE TO THE LAW SUIT, I HAVE 118,580 MILES ON MY VEHICLE. I AM STILL EXTREMELY SHAKEN TODAY!! I REALLY WANT TO SELL MY CAR BUT CANNOT AFFORD ANOTHER CAR PAYMENT (THIS MONTH IS MY LAST PAYMENT). VERY UPSET!

Type: Vehicle, Vehicle: 2012 HYUNDAI SONATA, Manufacturer: Hyundai Motor America
Incident: Dec 2021
Mar 2021

THE DRIVER SIDE SEATBELT COMES OUT

Type: Vehicle, Vehicle: 2012 HYUNDAI SONATA, Manufacturer: Hyundai Motor America
Incident: Oct 2020
Feb 2021

This safety issue affects Hyundai Sonatas with a turbo. The vehicle loses acceleration. The engine will rev with the tachometer functioning properly, but the vehicle speed does not increase accordingly. This is a safety issue because drivers could cause accidents when merging into traffic, changing lanes, or clearing an intersection. This issue may be related to my engine being replaced by Hyundai as part of a recall since it happened within a week of receiving the new engine. What component or system failed or malfunctioned, and is it available for inspection upon request? -- The problem is related to the wastegate actuator and/or sensor. The ECU/ECM seems to disable the turbo in the vehicle. Stopping and restarting the vehicle (rebooting) eliminates the problem until the vehicle is parked/off for at least nine (9) hours. How was your safety or the safety of others put at risk? - See introduction above. When accelerating from a stop, the vehicle's acceleration stalls at about 20-23 MPH, even with the tachometer reaching 7,000 RPMs. While driving above 30 MPH, the vehicle is very slow to accelerate so merging onto any highways or changing lanes is a high-risk maneuver. Has the problem been reproduced or confirmed by a dealer or independent service center? -- Yes. They first tried to replace the turbo boost sensor but that did not eliminate the problem. Hyundai Sonata owners have reported this problem since 2012. "Wastegate actuator sensor". Has the vehicle or component been inspected by the manufacturer, police, insurance representatives or others? -- Yes, the vehicle has been inspected by a manufacturer dealer service center. Were there any warning lamps, messages or other symptoms of the problem prior to the failure, and when did they first appear? -- No. The warning lamp does not activate on a regular basis with this issue. The warning lamp does appear approximately 10% of the time but again, rebooting the vehicle removes the warning lamp.

Type: Vehicle, Vehicle: 2012 HYUNDAI SONATA, Manufacturer: Hyundai Motor America
Incident: Jan 2021
Nov 2020

WHILE DRIVING ON THE INTERSTATE, WARNING SIGNAL ON SCREEN AND WARNING NOISE SUDDENLY CAME ON. THE WARNING STATED "HYBRID SYSTEM WARNING. SAFELY STOP VEHICLE AND DO NOT DRIVE."

Type: Vehicle, Vehicle: 2012 HYUNDAI SONATA, Manufacturer: Hyundai Motor America
Incident: Nov 2020
Sep 2020

I STOPPED AT A LIGHT ON 23 IN CHILLICOTHE OHIO .WHEN THE LIGHT TURNED GREEN TRIED TO ACCELERATE AND NOTHING. ALL THE DASH LIGHT CAME ON AND HAD A ODD SMELL.AND HASN'T STARTED SINCE WILL NOT TURN OVER.. CHECKED THE FUSES STARTER ALTERNATOR AND BATTERY. ALL ARE IN WORKING ORDER. HAD TO HAVE IN TOWED TO MY HOUSE IN SOUTH POINT OHIO.

Type: Vehicle, Vehicle: 2012 HYUNDAI SONATA, Manufacturer: Hyundai Motor America
Incident: Dec 2020
Jul 2020

KEY GETS STUCK IN THE IGNITION WHEN I ATTEMPT TO TURN THE CAR OFF. MUST DISCONNECT BATTERY TO RELEASE THE KEY.

Type: Vehicle, Vehicle: 2012 HYUNDAI SONATA, Manufacturer: Hyundai Motor America
Incident: Jul 2020
Jul 2020

MY CAR WILL NOT START. JUST BUY IT AND IT STALL AND WILL NOT CRACK OR START..CAN'T BE JUMPED EITHER.. ALL LIGHTS TURN ON. RADIO PLAYS .

Type: Vehicle, Vehicle: 2012 HYUNDAI SONATA, Manufacturer: Hyundai Motor America
Incident: Feb 2020
Apr 2020

THE AIRBAG LIGHT CAME ON, ON THE DASHBOARD WE CHECKED THE FUSES THEY ARE GOOD. CALLED THE DEALERSHIP ABOUT THE RECALL NEVER GOT A CALL BACK. HAVE A I/P BRAKE LIGHT ON THE DASHBOARD WHEN WE TOOK OUR CAR IN FOR RECALLS TOLD THEM ABOUT THE LIGHT THEY LOOKED AT MY TAIL LIGHTS. WE HAVE THE BRAKE RUBBER PIECE REPLACED UNDER LIFE TIME WARRANTY THAT WENT OUT BUT THEY DIDN'T LOOK AT THAT. THE EMISSIONS HAS BEEN A PROBLEM AS WELL. THE STEERING POPS WHILE DRIVING THIS WE HAVE HAD HYUNDIA LOOK AT THEY SAID THERE WAS NOTHING WRONG WITH CAR. INSIDE LIGHTS THERE IS FAULT THERE THEY WON'T GO OFF SO YOU HAVE TO KEEP IN OFF MODE NO DOOR MODE. DEALSHIP SAID IT WOULD COST ME TO FIX. ONGOING SINCE A YEAR AFTER WE BOUGHT THE CAR.

Type: Vehicle, Vehicle: 2012 HYUNDAI SONATA, Manufacturer: Hyundai Motor America
Incident: Feb 2017
Dec 2019

DASHBOARD WAS SLOWLY CRACKING TOLD DEALERSHIP AND SAID "WHAT DO YOU EXPECT THE CAR IS OLD" IT IS A 2012 SONATA. NOW THE DASHBOARD IS COMPROMISING THE AIRBAGS WHICH WILL SOMEDAY EXPLODE !!!!

Type: Vehicle, Vehicle: 2012 HYUNDAI SONATA, Manufacturer: Hyundai Motor America
Incident: Sep 2019
Apr 2019

VEHICLE CUTS OFF COMPLETLY WHILE DRIVING DOWN HIGHWAY AFTER HARD ACCELERATION WHICH IS VERY DANGEROUS AND POSSIBLY LIFE THREATENING. WAS PULLING ONTO HIGHWAY IN FRONT OF 2 LANES OF CARS GOING 60 MPH OR HIGHER AND MY CAR COMPLETELY SHUT OFF.

Type: Vehicle, Vehicle: 2012 HYUNDAI SONATA, Manufacturer: Hyundai Motor America
Incident: Mar 2019
Dec 2018

THE CAR WILL FREQUENTLY AND RANDOMLY REFUSE TO START RENDERING THE VEHICLE IMOBILE.

Type: Vehicle, Vehicle: 2012 HYUNDAI SONATA, Manufacturer: Hyundai Motor America
Incident: Dec 2018
Nov 2018

MY DASHBOARD IS SEVERELY CRACKING OVER TOP OF WHERE THE AIRBAG IS PLACED. IF I WAS TO GET INTO AN ACCIDENT THOSE PIECES OF DASH PARTICLE ARE GOING TO FLY INTO THE FACE OF THE OCCUPANTS. IT IS A BIG PROBLEM WITH THIS MODEL CAR I HAVE SPOKEN TO NUMEROUS SONATA OWNERS AND THEY HAVE THE SAME PROBLEM. I HAVE TRIED SPEAKING TO HYUNDAI ABOUT IT AND I WAS TOLD UNTIL IT WAS ACTUALLY RECALLED THEY WERE NOT REPAIRING ANYTING BUT AT THE DEALERSHIP I WAS TOLD BY THE MECHANIC THAT IT IS A SAFETY ISSUE. AND AN UPHOLSTERY SHOP TOLD ME THEY CAN'T REPAIR IT EITHER BECAUSE IT IS A SAFETY ISSUE AND CAN STOP THE AIRBAG FROM DEPLOYING PROPERLY. THE PICTURES I AM PROVIDING REALLY DO IT NO JUSTICE THE CAMERA IS NOT PICKING THEM UP THAT WELL THERE ARE AT LEAST SEVEN OR EIGHT CRACKS ACROSS THE DASHBOARD CURRENTLY AND I LIVE IN FLORIDA WHERE CARS GET VERY HOT AND IS DOING NOTHING BUT GETTING WORSE I UNDERSTAND IT'S NOT ABOUT LOOKS BUT MY WIFE IS SCARED THAT IF WE WERE TO GET INTO AN ACCIDENT CHUNKS OF THE DASHBOARD ARE GOING TO FLY INTO HER FACE OR OUR CHILDREN'S FACE WE BOUGHT THIS CAR BECAUSE IT HAD A 5-STAR CRASH TEST RATING BUT IT SEEMS LIKE SINCE I BOUGHT IT IT'S HAD MAJOR SAFETY RECALLS ON A YEARLY BASIS AND EVEN THOUGH WE AS CONSUMERS BRING THIS TO THE ATTENTION OF THE HYUNDAI REPRESENTATIVES THEY WILL NOT REPAIR ANYTHING UNLESS THEY ARE MADE TO BY THE NHTSA. JUST LIKE THE ENGINE RECALL AND THE BRAKE PEDAL STOPPER RECALL THAT I STILL HAVE NOT HAD REPAIRED IT'S ONE ISSUE AFTER ANOTHER.

Type: Vehicle, Vehicle: 2012 HYUNDAI SONATA, Manufacturer: Hyundai Motor America
Incident: Jan 2018
Sep 2018 Fire

DRIVING FROM VA CLINIC BONHAM, TX TO HOME IN MCKINNEY, TX. AUTO FAILED TO START ON FIRST TRY, STARTED ON SECOND TRY (NEVER HAPPENED BEFORE). WENT TO LUNCH IN BONHAM. RESTARTED CAR FIRST TRY. DROVE HIGHWAY TX121 APPROXIMATELY FIFTEEN MILES AND ENGINE DIED AT HIGHWAY SPEED. TRIED A ROLLING RESTART WITHOUT LUCK. PARKED AND TRIED RESTART TO NO AVAIL. SITTING IN CAR CALLING TOW TRUCK AND NOTICED SMOKE FROM ENGINE COMPARTMENT. SMOKE CONTINUED TO BE THICKER SO GOT OUT AND WAVED DOWN TRAFFIC TO GET A FIRE EXTINGUISHER (NONE AVAILABLE) AND CALLED 911; EMPTIED BELONGINGS FROM CAR AND WATCHED IT BURN. FIRE DEPARTMENT CAME AND PUT IT OUT BUT COMPLETELY BURNED.

Type: Vehicle, Vehicle: 2012 HYUNDAI SONATA, Manufacturer: Hyundai Motor America
Incident: Sep 2018
Aug 2018 Fire

2012 HYUNDAI SONATA. CONSUMER STATES THAT VEHICLE CAUGHT FIRE WHILE DRIVING. *LD CONSUMER SENT ADDITIONAL CORRESPONDENCE. *LD *JS

Type: Vehicle, Vehicle: 2012 HYUNDAI SONATA, Manufacturer: Hyundai Motor America
Incident: Aug 2018
Jul 2018

FRONT HEADLIGHTS AND BRAKE LIGHTS ARE BURNING OUT WEEKLY.

Type: Vehicle, Vehicle: 2012 HYUNDAI SONATA, Manufacturer: Hyundai Motor America
Incident: Jul 2018
May 2018

SHIFTING FROM DRIVE TO PARK THE GEAR GETS STUCK

Type: Vehicle, Vehicle: 2012 HYUNDAI SONATA, Manufacturer: Hyundai Motor America
Incident: Feb 2018
Dec 2017 Crash

THE AXLE BROKE AND THE CAR FLIPPED 3 TIMES WHILE DRIVING STRAIGHT ON THE HIGHWAY

Type: Vehicle, Vehicle: 2012 HYUNDAI SONATA, Manufacturer: Hyundai Motor America
Incident: Oct 2017
Nov 2017

I HAVE A 2012 HYUNDAI SONATA. LOVE THE CAR. ON A BEAUTIFUL CLEAR DAY, TEMPERATURE WAS ABOUT 55 DEGREES. HOWEVER, ON MARCH 19 AS I WAS DRIVING I EXPERIENCED A LOUD SHOTGUN TYPE EXPLOSIVE NOISE WHILE DRIVING. I ACTUALLY THOUGHT SOMEONE HAD SHOT AT THE CAR OR SOMETHING. FORTUNATELY I WAS ABLE TO SAFELY PULL OVER TO THE SIDE OF THE ROAD. I HAD SMALL CHILDREN IN THE CAR. WE WERE ALL TERRIFIED. I ACTUALLY CALLED THE POLICE. AS I WAS WAITING FOR THE POLICE, PIECES OF GLASS BEGIN TO FALL ON THE SUNROOF VISOR. THANK GOODNESS IT WAS NOT OPEN. I REALIZED THAT IT WAS THE SUNROOF THAT HAD BEEN COMPROMISED. THEN I THOUGHT THAT MAYBE SOMEONE HAD THROWN A BRICK OR SOMETHING. ONCE THE POLICE ARRIVED, THEY INFORMED ME THAT NOTHING HAD EXTERNALLY CAUSED THIS ISSUE. THE SUNROOF EXPLODED FROM THE INSIDE OUT. THEY INFORMED ME THAT THEY HAD SEEN THIS BEFORE AND THAT THERE WERE CLAIMS AGAINST HYUNDAI. SO NATURALLY I CONTACTED MY HYUNDAI DEALERSHIP INQUIRING ABOUT IF THERE WAS A RECALL. OF COURSE, THEY SAID THERE WAS NOT. I HAD TO FILE A CLAIM WITH MY INSURANCE FOR REPAIRS. I CANNOT IMAGINE IF I HAD BEEN ON THE HIGHAY WITH THE KIDS. I COULD HAVE WRECKED AND COULD HAVE BEEN FATAL. THIS ISSUE REALLY NEEDS TO BE ADDRESSED.

Type: Vehicle, Vehicle: 2012 HYUNDAI SONATA, Manufacturer: Hyundai Motor America
Incident: Mar 2017
Jul 2017

THE CAP OVER THE ANTENNA SYSTEM ON THE TOP OF THE BACK OF THE CAR FLEW OFF. NO REPLACEMENT THEY INDICATED UNLESS I PURCHASE THE WHOLE UNIT AND I ONLY NEED THE PROTECTIVE CAP. I HEARD A BANG AND WAS MOVING SLOW OUT OF A SHOPPING CENTER STOPPED AND LOOKED AND IT WAS GONE FOUND ONLY A BROKEN PIECE.

Type: Vehicle, Vehicle: 2012 HYUNDAI SONATA, Manufacturer: Hyundai Motor America
Incident: Jan 2017
Apr 2017

I WAS DRIVING FROM GREENSBORO, NORTH CAROLINA AND WAS ON 95 NORTH IN PETERSBURG, VA AND I HEARD A LOUD BOOM (LIKE A GUN BLAST). I PULLED OVER TO THE NEAREST REST AREA ONLY TO FIND A BIG WHOLE IN MY SUNROOF. NOW THE DEALER IS STATING THAT IT WON'T BE COVERED BY THEM.

Type: Vehicle, Vehicle: 2012 HYUNDAI SONATA, Manufacturer: Hyundai Motor America
Incident: Apr 2017
Dec 2016

I HAVE A 2012 HYUNDAI SONATA GLS. WHEN I GOT READY TO CUT OFF MY CAR IT CUT OFF BUT I COULDNT TAKE THE KEY OUT IT WAS STUCK AND PLUS WHEN THE KEY IS IN ACC POSITION I CAN MOVE GEARSHIFT FROM PARK TO DRIVE BUT ITS NOT SUPPOSE TO DO THAT. HOPEFULLY THEY WILL RECALL THIS OR SOMETHING.

Type: Vehicle, Vehicle: 2012 HYUNDAI SONATA, Manufacturer: Hyundai Motor America
Incident: Dec 2016
Jul 2016

I WAS ON MY WAY TO WORK ON I-65 IN BIRMINGHAM, ALABAMA AND MY SUNROOF EXPLODED. IT SOUNDED LIKE A BOMB GOING OFF AND SHATTERED PIECES OF GLASS HIT THE CARS BEHIND ME. NOTHING HIT MY CAR. I WASN'T GOING UNDER AN OVERPASS, NOR WERE THERE TRUCKS AROUND ME. THE DEALERSHIP NOR HYUNDAI WILL REPLACE IT SO I WILL HAVE TO FILE A CLAIM WITH MY INSURANCE AND PAY A $500 DEDUCTIBLE. HYUNDAI HAS RECALLED OTHER VEHICLES (VELOSTER) FOR THIS EXACT SAME REASON BUT WILL NOT FIX THE SITUATION WITH THE SONATAS! MY CAR HAS THE PANORAMIC SUNROOF, JUST LIKE THE VELOSTERS. THIS IS AN EXTREMELY DANGEROUS SITUATION AND HYUNDAI NEEDS TO ADDRESS IT!! THIS NEEDS TO BE INVESTIGATED BECAUSE MANY PEOPLE ARE HAVING THE SAME ISSUE.

Type: Vehicle, Vehicle: 2012 HYUNDAI SONATA, Manufacturer: Hyundai Motor America
Incident: Jul 2016
Feb 2016

FREQUENT ISSUES WITH BRAKES. LATEST ISSUE, CALIPERS NEEDING TO BE REPLACED AT 63,000 MILES BECAUSE THE CALIPERS ARE NOT PROPERLY DECOMPRESSING. A SEARCH OF RECALLS SEEMS TO INDICATE A SIMILAR ISSUE WITH 2015 SONATAS. I AM TOLD BY THE MECHANIC THAT HYUNDAI SONATAS HAVE A LOT OF BRAKE ISSUES AND IT IS UNCOMMON FOR CALIPERS TO NEED REPLACING AT THIS STAGE.

Type: Vehicle, Vehicle: 2012 HYUNDAI SONATA, Manufacturer: Hyundai Motor America
Incident: Dec 2015
Nov 2015

EARLY THIS YEAR WHEN I STARTED MY 2012 SONATA IN THE MORNING FOR WORK IT STARTED TO STALL. IN MARCH WHEN I TOOK IT TO THE DEALER FOR OIL CHANGE I NOTIFIED THEM OF THIS ISSUE. THEY SAID THE BATTERY NEEDED REPLACING. IT GOT BETTER AFTERWARDS UNTIL TWO WEEKS AGO. I THOUGHT MAYBE THE KEYLESS REMOTE NEEDS NEW BATTERY AND SO SWITCHED TO THE SPARE REMOTE THAT I HAD BARELY USED. IT DID NOT HELP. BUT I NOTICED THE STALL HAPPENED IN THE MORNING WHEN I LEAVE FOR WORK, NOT IN THE AFTERNOON WHEN I GO HOME. MAYBE BECAUSE I HAVE TO USE THE REMOTE TO UNLOCK THE CAR IN THE AFTERNOON AND MAKE THE CAR CONNECT TO THE "KEY" RATHER THAN DISPLAY " KEY NOT DETECTED." THIS MORNING I COULD NOT GET THE CAR STARTED AFTER TRIED ALL MY TRICKS FOR NUMEROUS TIMES. I WAS STRANDED AND HAD TO USE MY VACATION FOR WORK. MADE AN APPOINTMENT LAST WEEK WITH THE DEALER FOR THIS TUESDAY. WONDER HOW I AM GOING TO HAUL THE CAR TO THE DEALER IF I CAN NOT GET IT STARTED.

Type: Vehicle, Vehicle: 2012 HYUNDAI SONATA, Manufacturer: Hyundai Motor America
Incident: Nov 2015

Trend Over Time

Complaints by year

Quick Summary

The 2012 Hyundai Sonata has 52 UNKNOWN OR OTHER complaints on file. 2 crashes have been reported. Review the timeline above for detailed owner experiences.