Home · 2012 Kia Optima · Complaints

What 916 owners told NHTSA about the 2012 Kia Optima

These are the actual owner complaints behind this car’s reliability verdict, filed with the federal government, unedited. They’re unverified reports, not confirmed defects: read them as leads for your pre-purchase inspection, not a diagnosis.

All (916)Crash / fire / injury (106)Engine (397)Steering (187)Electrical system (122)Brakes (87)Fuel system (54)Transmission & drivetrain (54)Airbags (48)Speed control (40)Body & structure (39)Lights (31)

22 of 916 complaints match · Electrical system · crash/fire/injury only · clear filters

Feb 27, 2026Electrical systemEngineFire1 injury

Unknown but We were driving home from friant in motion when the car died and started smoking, no indication light were on before until after the incident all warning lights were on dash. Our lives were put at risk due to this. We were not able to control steering wheel or to get out of the way of traffic.

NHTSA ODI 11720852

Aug 26, 2025Electrical systemBody & structureEngineFire

On August 25th around 7:00 PM, the vehicle suddenly caught fire while parked after a short test drive. The car had just been purchased a few days prior and was taken to a mechanic for a precautionary inspection. During the test drive, the mechanic parked the vehicle in a residential driveway. After backing in, smoke was observed coming from the engine bay. When the hood was lifted, the engine area was already on fire. The fire department was called immediately and was able to extinguish the flames before the fire spread to surrounding property. The fire completely destroyed the vehicle. The vehicle had no warning lights, unusual performance issues, or prior signs of trouble, and it appeared to be in good condition prior to the incident. This fire posed a serious safety hazard and could have resulted in injury or property damage. Component or system that failed: The engine area, likely associated with the Hydraulic Electronic Control Unit (HECU) fuse/fire risk. The vehicle may or may not be available for inspection, as it is severely burned. Safety risk: The fire posed a serious hazard to the mechanic, surrounding property, and anyone nearby. Rapid ignition could have caused injury or significant property damage. Problem confirmation: The fire was observed firsthand by the mechanic. The open recall related to the HECU fuse/fire risk indicates a known defect consistent with the incident. Inspections: The fire department responded and documented the incident. The vehicle has not yet been inspected by the manufacturer or insurance representatives, but the recall status is verifiable through official records. Warning signs: There were no warning lamps, messages, or other symptoms prior to the failure. This incident appears consistent with the conditions described in the open recall for the HECU fuse/fire risk, suggesting a possible link between the recall defect and the fire.

NHTSA ODI 11683294

Apr 12, 2024Electrical systemBody & structureEngineFire

I did not know about this recall and my dad was driving my car caught on fire and blew up now I do not have a car please help.

NHTSA ODI 11582735

Dec 12, 2023Electrical systemFire

Vehicle is under recall 23V652 for HECU short circuit issue. Vehicle was running fine, driven to local mechanic for routine oil change and inspection. MIL was on with P0445 indicating a short circuit on Purge control valve. Mechanic replaced Purge control valve which did not reset maintenance light. Mechanic investigated and found evidence of a thermal event (fire) within the wiring harness near the computer. Mechanic contacted me and I notified him of Interim Recall notice. Vehicle was towed to local Kia dealer where they will not honor recall as there is no current solution. They said they can not prove the incident was HECU without replacing wiring harness which I must pay for.

NHTSA ODI 11559673

Feb 27, 2023Electrical systemEngineFire

I was driving down the highway going 75 mph and all of a sudden my car tells me pull over safely do not drive and it shut down while I'm driving. It never turned back on. It started smoking and you could see orange light coming through the vents. I was stuck on a [XXX] bridge for 4 hours and I missed court that day. I called Kia and they came to pick up my car. They said it was free because my car has been recalled but ever since they've had it, they stop answering my phone calls and emails and now they are trying to charge me 5000 to get my car back and fixed. Before any of this happened, I noticed an oil leak at the gas station but was unsure whether it came from my car or not. INFORMATION Redacted PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6).

NHTSA ODI 11509246

Sep 28, 2022SteeringElectrical systemBody & structureCrash

Vehicle was broken into and stolen…steering wheel column damage, wheel locked, wreck…usb cord used to crank car..police report filed #2209013764ME

NHTSA ODI 11486990

Jul 6, 2022Electrical systemEngineFire

My car caught on fire while driving from somewhere near the engine. The fire was so severe that fire department nor my insurance company were able to determine cause of fire and I’d only had vehicle for 45 days, it was a single owner with no accidents and maintained its entire life up to that point. I am requesting someone to examine vehicle and tell me how this possibly happened.

NHTSA ODI 11472604

Mar 27, 2021SuspensionElectrical systemBrakesCrash5 injuries

BRAKES SQUICK EVEN AFTER REPAIR AND REPLACEMENT AND HAS A SLOWER RESPONSE TIME THEN USUAL AND CAUSED A REAR END ACCIDENT, COOLING AND HEATED SEATS STOPPED WORKING ON THE DRIVER SIDE WHICH I MET OWNERS OF MY EXACT CAR SAID THE SAME THING HAS HAPPENED TO THEM, AND THE PASSENGER SEAT CONTROLLERS DOESN'T WORK TO OPERATE ADJUSTABLE SEATS! THE SUSPENSIONS HAS BEEN BAD EVERY SINCE THE RECALL ON THE ENGINE; FOR SOME REASON IT WAS GIVING BACK TO ME WITH THAT PROBLEM FROM KIA DEALERSHIP. BACK-UP CAMERA IS MALFUNCTIONING FOR YEARS NOW AND CAR DOESN'T EVEN BEEP WHEN GETTING TOO CLOSE TO OBJECTS/OTHER VEHICLES ANYMORE EITHER FOR YEARS! I'M JUST FINDING OUT ABOUT THE PROCESS, RECALL LAWS AND RIGHT TO AN INVESTIGATION.*DT*JB

NHTSA ODI 11405106

Sep 16, 2019Electrical systemCrash

IDK WHO IS GOING TO READ THIS BUT HOPEFULLY SOMEONE CAN TELL ME A LITTLE SOMETHING ABOUT MY KIA OP.HYBRID! ABOUT 2 MONTHS AGO, A TRUCK HIT MY CAR AND MY ABS LIGHT CAME ON. MY CAR WAS TAKEN TO HUBCITY HAGERSTOWN MD THEY FIXED THE BODY REPAIRS, THEN THEY TOOK IT TO KIA HAGERSTOWN MD TO GET THE ABS SYSTEM FIXED (WHICH MY WARRANTY COMPANY HAD TO PAY FOR IT). ABOUT A WEEK AGO I TOOK IT TO KIA LETTING ONE OF THE SERVICE MANAGERS KNOW IT'S HAVING SOME PUSH BACK WHEN I'M DRIVING THAT IT WASN'T HAVING BEFORE HE ACCIDENT SUCH AS ON THE HIGHWAY IT WILL FEEL LIKE IT DOESN'T WANT TO GO. I'LL BE GOING A CERTAIN SPEED FOR A WHILE, IT'LL GIVE PUSH BACK REV ALL THE WAY UP TO 5RPM ACTS LIKE IT DOESN'T WANT TO KEEP GOING THEN IT GOES BACK DOWN TO A LOWER NUMBER AND ACTS FINE. THEN A FEW TIMES NOW I'LL BE AT A STOP LIGHT OR STOP SIGN I'LL PRESS ON THE GAS IT DIDN'T GO I'LL LET GO OF THE GAS IT REVS UP, JERKS AND GOES BY ITSELF!!!!!! ALMOST MAKING ME HIT THE VEHICLES IN FRONT OF ME. HE DROVE MY CAR FELT HOW IT WAS DRIVING AND SAID CERTAIN THINGS COULD HAVE BEEN FROM THE CAR ACCIDENT AND TO BRING IT BACK ASAP. I WAS DRIVING ON THE HIGHWAY ON THE 14TH OF THIS MONTH I WAS DRIVING ABOUT 65 70 IT WAS ACTIN A LITTLE JERKY AND WASN'T GOING ANYMORE THEN THE DASHBOARD LIGHT CAME ON AGAIN AND SAID HYBRID SYSTEM WARNING DO NOT DRIVE AND THE CAR LITERALLY WOULDN'T LET'S ME GO ANYMORE. I GOT STUCK MIDDLE OF THE HIGHWAY AND FREDRICK MD HIGHWAY PATROL HAD TO ASSIST ME. OUT OF ALL THE TROUBLES I HAD ALMOST HITTING A FEW CARS IN FRONT OF ME (WHICH WOULDN'T OF BEEN MY FAULT EACH TIME IT'S HAPPENED) AND MY CAR JUST TURNING OFF IN THE MIDDLE OF THE HIGHWAY HAS BEEN THE WORST SINCE I'VE HAD IT. MIND YOU THIS IS ALL WITHIN A 2-3 MONTH TIME FRAME AND MY CAR WASN'T LIKE THIS BEFORE. JUNE 14TH WAS THE DAY MY CAR GOT HIT SINCE THEN HAS BEEN HELL WITH THIS CAR

NHTSA ODI 11255998

Mar 9, 2019Electrical system1 injury

AS I WAS DRIVING WITH ABSOLUTELY NO WARNING AT THE TIME OR PRIOR TO THE CAR STOPPED ACCELERATING COMPLETELY AND WILL NOT START BACK UP. WHEN PLUGGED UP YO CABLES LIGHTS AND ALL INDICATORS COME ON BUT THE CAR NEVER STARTS AND THERE IS NO NOISE COMING FROM THE ENGINE . I WAS JUST LEAVING MY DRIVEWAY ON A REGULAR SIDE STREET PROCEEDING FOWARD AT MAYBE 15MPH

NHTSA ODI 11185536

Feb 10, 2019Electrical systemFire

VEHICAL HAS HAD PROBLEMS STARTING IN COLD WEATHER FOR 3YEARS NOW. WE'VE TAKEN THE VEHICAL TO A KIA DEALERSHIP NUMEROUS TIMES ONLY TO BE TOLD THEY DON'T KNOW WHAT'S WRONG WITH IT OR (IT WOULD DO IT FOR US/ WELL IT STARTED FOR US). MOST RECENTLY THE VEHICAL WAS AT THE DEALER SHIP FOR 10 DAYS WHILE WE WERE VACATIONING AND THEY RETURNED THE VEHICAL ONLY FOR IT TO NOT START THE FOLLOWING MORNING. IT'S A PUSH TO START AND AS A SAFETY FEATURE THE BRAKE PEDAL MUST BE PRESSED IN ORDER TO START THE CAR. WHEN THE PROBLEM FIRST STARTED THERE WOULD BE A LIGHT ON THE DASH THAT WOULD INDICATE THERE WAS NOT KEY WITCH WAS NOT THE CASE. YOU COULD HAVE THE KEY PHOB IN THE CAR AND STILL WOULDN'T START. THIS WAS ONLY ON COLD DAYS. IT WOULD START JUST FINE UNLESS IT WAS BELOW 20 DEGREES. MORE RECENTLY THE CAR WILL SHOW NO INDICATOR ON THE DASH AND WON'T START IF THE TEMPERATURE IS BELOW 30-35 DEGREES. ABOVE THAT EVERYTHING WORKS FINE. WE CHANGED KEYS AND REPLACED BATTERIES IN KEYS AND MOVED THEM ALL OVER THE CAR BUT NOTHING WOULD GET THE CAR TO START UNTIL THE TEMPERATURE ROSE ABOVE FREEZING. MOST RECENTLY THIS MORNING I WENT OUTSIDE TO START THE CAR (AROUND 30 DEGREES AND RISING) AS I PRESSED THE BRAKE AND HIT THE START BUTTON I HEARD SPARKS AND A LOUD POPING NOISE FOLLOWED BY HISSING AND SIZZLING THE VEHICAL THEN BEGAN TO FILL WITH SMOKE. I EXITED THE VEHICAL AND TOOK A FEW STEPS BACK. ABOUT 10 SECONDS AFTER INITIALLY HITTING THE START BUTTON THE CAR THEN STARTED WITH ME STANDING ABOUT 20FT AWAY WHILE STILL SMOKING. I NEVER SAW FLAMES BUT COULD SMELL AN ELECTRICAL FIRE AND WAS WAITING FOR THE CAR TO BURST INTO FLAMES FROM THE AMOUNT OF SMOKE THAT WAS COMING FROM IT. MAJORITY OF THE SMOKE SEEMED TO BECOMING FROM DRIVER SEAT AREA (UNDERDASH AND ALONG DRIVER SIDE QUARTER PANEL). AFTER A FEW MINUTES THE SMOKE DIED DOWN AND THE EVENT SEEMED TO BE OVER. I HAVEN'T TOUCHED THE VEHICALSINCEMORNIN

NHTSA ODI 11176066

Oct 2, 2018Electrical systemEngineFire

MY CAR JUST TURNED OFF WITH SEVERAL FLASHING LIGHTS WHILE DRIVING. I TRIED TO START THE CAR AND NOTHING BUT A SLIGHT TICK. I RETURNED TO THE CAR WITH JUMPER CABLES TO SEE IF IT WAS THE BATTERY AND BEFORE I TRIED THE JUMPER CABLES I TRIED ONE MORE TIME TO START AND THE ENGINEER CAUGHT ON FIRE. THE CAR DID NOT TURN OVER OR SEEMED TO BE RUNNING.

NHTSA ODI 11132956

Aug 24, 2018Electrical systemEngineFire

TL* THE CONTACT OWNS A 2012 KIA OPTIMA. WHILE DRIVING AT AN UNKNOWN SPEED, THE CONTACT NOTICED BLACK SMOKE COMING FROM THE TAIL PIPE. THE VEHICLE WAS TAKEN TO VALUE KIA (6915 ESSINGTON AVE, PHILADELPHIA, PA 19153, 215-937-1000) WHERE IT WAS DIAGNOSED THAT THE COOLING AND ELECTRICAL SYSTEMS FAILED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY 55,630.

NHTSA ODI 11122146

Jul 19, 2018Electrical systemEngineFire

DRIVING ON INTERSTATE 84 W. CAR SUDDENLY CAUGHT ON FIRE OCTOBER 20, 2017. PASSENGER SAW SMOKE FROM FRONT SEAT. DRIVER PULLED-OVER. WE GOT OUT OF CAR. SAW FIRE UNDERNEATH. MOVED AWAY, CAR GRADUALLY BECAME ENGULFED IN FLAMES. FILED REPORT IN CONNECTICUT. INCIDENT NUMBER 17-0000359 SANDY HOOK FD FIRE DEPARTMENT RESPONDED. 61,852 MILES

NHTSA ODI 11112486

Feb 8, 2018Electrical systemSpeed controlEngineFire

'TAKATA RECALL' I'M CURRENTLY BUYING A KIA OPTIMA 2012 AND EVERYTHING WAS WORKING FINE AND HAD MAINTENANCE UP TO DATE AT KIA OF ORANGE. THEN I DID FULL SERVICE WHICH I PAYED 600$ OR SO AND AFTER THE CAR STARTED GIVING ME PROBLEMS, I WENT TO MY FRIENDS HOUSE AND MY BOYFRIEND GOT OFF TO GET TOOLS FROM THE HOUSE IT TOOK HIM TEN MINUTES TO COME BACK. THE CAR WAS ON AND I WAS WINDOWS UP AND AC ON WHEN HE CAME OUT HE SAW FIRE UNDER THE FRONT LEFT LIGHT. IT GOT ON FIRE AND WE WERE SCARE FOR OUR LIFE'S AND WE MANAGE TO RUN AROUND AND FIND ANYTHING THAT WILL HELP WE HAD WATER AND IT WOULDN'T TURN OFF, WE DIDN'T KNOW IT WAS ELECTRICAL SO IT WAS MELTING PLASTIC UNTIL WE MANAGE TO FIND A FIRE EXTINGUISHER WHILE I WAS CALLING 911 WE THOUGHT THE CAR WAS GOING TO BLOW UP. SECOND OF ALL WE FIX IT INSURANCE COVER. WE CALL KIA THEY TOLD US OUR INSURANCE HAD TO PAY IT. SO WE DID NEXT I TOOK IT TO GET MAINTENANCE UPDATE AND OIL CHANGE, WE TOOK FOR A DRIVE TO CHINO HILLS CALIFORNIA AND THEN THE CAR TURN OFF BY IT SELF ON THE FREEWAY I WAS 65 SPEED LIMIT AND MY STEERING WHEEL GOT HARD AND ALL THE LIGHTS WERE ON. I COULD OF LOST MY LIFE. I MANAGE TO MOVE IT SLOWLY TO THE SIDE AND IT WAS ON FIRE WHEN I OPEN THE HOOD SOMETHING WAS BURNING AGAIN. A SHERIFF HELP US TURN IT OFF WITH HIS FIRE EXTINGUISHER. THE ENGINE HAD BLEW UP A WROT BLEW MAYBE BECAUSE OF NO OIL OR IDK I'M NOT MECHANIC THAT'S WHY I TAKE IT TO KIA. I BELIEVE THEY DIDN'T DO THEIR JOB RIGHT AND MY INSURANCE DOESN'T WANNA COVER IT, NOW I'M CARELESS AND I HAVE A DAUGHTER TO FEED AND I NEED HELP TO GET THIS OUT THERE IF ANYBODY HAS THE SAME ISSUE PLEASE MAKE THIS GO VIRAL. HIGHWAY 91 EAST

NHTSA ODI 11071675

Oct 27, 2017Electrical systemEngineVisibility & wipersFire

THE ENGINE SEIZED WHILE DRIVING ON THE HIGHWAY. THIS HAS ALS RESULTED IN THE CLIMATE CONTROL SYSTEM INCLUDING THE DEFROSTERS AND RADIO TO MALFUNCTION

NHTSA ODI 11040562

Aug 23, 2017Electrical systemEngineFire

TL* THE CONTACT OWNS A 2012 KIA OPTIMA. WHILE DRIVING APPROXIMATELY 55 MPH, THE VEHICLE EXPERIENCED A COMPLETE LOSS OF ENGINE POWER. THE CONTACT WAS ABLE TO COAST THE VEHICLE TO THE SIDE OF THE ROAD AND ATTEMPTED TO RESTART THE VEHICLE. DURING EACH ATTEMPT, THE CONTACT NOTICED SMOKE COMING FROM THE ENGINE COMPARTMENT. THE VEHICLE WAS TOWED TO CAR LOCK KIA (LOCATED AT 4301 GREENSBORO AVE, TUSCALOOSA, AL) WHERE IT WAS DIAGNOSED THAT THE ENGINE ASSEMBLY, BATTERY, AND STARTER WERE DEFECTIVE AND NEEDED TO REPLACED. THE VEHICLE WAS REPAIRED. UPON DOING RESEARCH, THE CONTACT FOUND THAT THE VEHICLE WAS INCLUDED IN NHTSA CAMPAIGN NUMBER: 17V224000 (ENGINE AND ENGINE COOLING). THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY 104,000.

NHTSA ODI 11019133

Aug 19, 2017Electrical systemEngineCrashFire

I WAS NOTIFIED BY KIA EARLIER THIS YEAR THAT MY VEHICLE WAS INVOLVED IN A RECALL BECAUSE THE ENGINE COULD SEIZE CAUSING A SAFETY ISSUE. ON 6/12/17 I TOOK MY OPTIMA TO CAMELBACK KIA FOR RECALL WORK AND INSPECTION. ON 8/1/2017 AS I WAS DRIVING NORTHBOUND ON AZ SR51, MY ENGINE STALLED WHILE MOVING ABOUT 40 MPH IN RUSH HOUR TRAFFIC. I THEN PULLED OVER TO RESTART MY VEHICLE, A SHORT TIME LATER I NOTICED SMOKE COMING FROM UNDER THE HOOD. I WAS TOLD BY KIA UPON THEIR INSPECTION THAT THE STARTER IS WHERE THE FIRE ORIGINATED DUE TO THE SEIZED ENGINE. THE VEHICLE BURNED AND IS NOW A TOTAL LOSS. THIS CAUSED A 3 LANE CLOSURE ON THE FREEWAY AT 5PM AS WELL AS A CRASH DUE TO SPECTATORS.

NHTSA ODI 11016332

Apr 16, 2017Electrical systemFire

OPEN CAR DOOR AND NOTICED A BURNING SMELL OF ELECTRICAL, SMOKE COMING FROM DOOR SILL.BY THE TIME I GOT COVER OFF SMOKE AND FLAME COMING FROM THE LETTERING THAT LIGHTS UP WHEN DOOR OPENS. THE CAR WAS PARKED IN GARAGE.

NHTSA ODI 10978698

Sep 6, 2016Electrical systemEngineFuel systemFire

THE CARE STALED AT LOW SPEED PULLED OVER SIDE OF ROAD AND SMOKE WAS COMING FROM ENGINE, OPENED THE HOOD AND FIRE HAD STARTED AT FRONT TOP OF ENGINE UNDER THE AIR CLEANER, SOME WARE, HAS NOT BEEN DETERMINED WHAT CAUSED IT.

NHTSA ODI 10903804

Aug 27, 2016Electrical systemFire

STOPPED AT RED LIGHT AND CAR SHUT DOWN. CHECKED UNDER HOOD WHICH HAD SMOKE COMING FROM IT. GROUND WIRE WAS MELTED. OFFICER WAS CONTACTED AND HELPED PUSH CAR TO SAFETY. TOW COMPANY WAS CALLED AND CAR WAS LOADED WE ROAD WITH THE TOW TRUCK DRIVER. HALF WAY TO DESTINATION, THE CAR WAS SMOKING HEAVILY. WE PULLED OVER AND LOOKED UNDER THE HOOD AND THERE WERE FLAMES. WE USED THE FIRE EXTINGUISHER AND THE FLAMES GOT WORSE. CAR BURNED WITH TOTAL LOSS. TOW TRUCK PARTIALLY BURNED. ..UPDATED 10/04/16 *BF *TR

NHTSA ODI 10901907

Aug 2, 2016Fuel systemElectrical systemSpeed controlBrakesFire

2012 KIA OPTIMA CAUGHT FIRE WHILE DRIVING 45 MPH & WAS UNABLE TO ACCELERATE/BRAKE. RECENTLY WAS TAKEN FOR SERVICE WITH NO ITEMS THAT WOULD CAUSE THE ISSUE...UPDATED 10/04/16 *BF *TR

NHTSA ODI 10892633

Working with the data? Download all 916 complaints as CSV · fetched from NHTSA July 19, 2026

How to use these: a complaint is one owner’s report, filed voluntarily and published unverified. Patterns matter more than any single story. If several owners describe the same failure at similar mileage, put that system at the top of your pre-purchase inspection list. Back to the full 2012 Kia Optima verdict →