NHTSA owner reports · September 18, 2026 snapshot.
Engine complaints
60 reportsClear category filter65,000 miles · Jul 15, 2016
EngineFuel/propulsion SystemService Brakes
I'VE TAKEN MY 2009 SANTA FE TO THE RICK CASE ROSWELL, GA ON FRIDAY, 7/1/2016 AND AGAIN TODAY, 7/15/2016, BOTH FOR THE SAME ISSUE, MY CAR IS STALLING WHILE I DRIVE IT. ON 7/1 THEY TOLD ME IT WAS THE BATTERY, SO HAD A NEW ONE INSTALLED WHILE THERE. BOTH TIMES, I'M BEEN TURNING INTO A CURVE (IT WAS A RIGHT HAND TURN ON 7/1 AND A…
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I'VE TAKEN MY 2009 SANTA FE TO THE RICK CASE ROSWELL, GA ON FRIDAY, 7/1/2016 AND AGAIN TODAY, 7/15/2016, BOTH FOR THE SAME ISSUE, MY CAR IS STALLING WHILE I DRIVE IT. ON 7/1 THEY TOLD ME IT WAS THE BATTERY, SO HAD A NEW ONE INSTALLED WHILE THERE. BOTH TIMES, I'M BEEN TURNING INTO A CURVE (IT WAS A RIGHT HAND TURN ON 7/1 AND A LEFT HAND TURN ON 7/15). THE FIRST TIME I WAS LUCKY AS IT WAS JUST COMING OFF A STOP LIGHT. LAST NIGHT, HOWEVER, IT WAS A CURVE TO GET ON THE HIGHWAY WITH AN 18 WHEELER THUNDERING BEHIND ME WHEN MY CAR STALLED, AND I LOST THE POWER STEERING AND BRAKING AND ALMOST BECAME AN 18 WHEELER HOOD ORNAMENT. AS I MENTIONED, THE DEALER IS PERPLEXED BY THE ISSUE, NOTHING IS SHOWING UP ON THE DIAGNOSTICS AND THEY CAN'T REPLICATE THE PROBLEM. I HAD TO LEAVE THE DEALERSHIP WITH THE SENSE THAT I'M DRIVING AROUND IN A TICKING TIME BOMB. AS A WOMEN WHO FREQUENTLY DRIVES BY HERSELF IN THE CAR, AND ON THE HIGHWAY 99.9% OF THE TIME, I CAN'T TELL YOU THE FEAR THAT KNOWING THAT THIS CAN HAPPEN AGAIN AT ANY MOMENT AND THAT THE NEXT TIME I MAY NOT BE SO LUCKY, INSTILLS IN ME. THIS IS MY SECOND HYUNDAI AND I HAVE ALWAYS CONSIDERED MYSELF TO BE A PROUD HYUNDAI OWNER, BUT I JUST DID A LITTLE RESEARCH AND FOUND OUT THAT A) NOT ONLY AM I FAR FROM THE ONLY PERSON WHO HAS HAD THIS ISSUE, B) THERE HAS ACTUALLY BEEN A CLASS ACTION LAW SUIT THAT HYUNDAI LOST REGARDING THE FREQUENT STALLING OF HYUNDAI VEHICLES. I NEED HYUNDAI TO FIX THIS ISSUE ASAP OR RISK BEING SUED BY MY FAMILY AFTER I'M KILLED IN A CAR ACCIDENT THAT IS THE DIRECT RESULT OF YOUR STALLING VEHICLES.
NHTSA ODI #10885011
129,500 miles · Dec 29, 2015
EnginePower TrainService Brakes
VEHICLE INSPECTION PERFORMED BY MANUFACTURE CERTIFIED TECHNICIAN. TWO ISSUES WERE RECOMMENDED BY THE TECHNICIAN: A) NEW TIRES. ALL 4 TIRES CURRENTLY ON THE VEHICLE ARE AROUND 5 YEARS OLD (BASED ON THE DOT DATE OF MANUFACTURE), AND HAVE BEEN DRIVEN FOR OVER 100,000 MILES (BASED ON ODOMETER READINGS FROM 2010 AND CURRENT). B) NEW …
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VEHICLE INSPECTION PERFORMED BY MANUFACTURE CERTIFIED TECHNICIAN. TWO ISSUES WERE RECOMMENDED BY THE TECHNICIAN: A) NEW TIRES. ALL 4 TIRES CURRENTLY ON THE VEHICLE ARE AROUND 5 YEARS OLD (BASED ON THE DOT DATE OF MANUFACTURE), AND HAVE BEEN DRIVEN FOR OVER 100,000 MILES (BASED ON ODOMETER READINGS FROM 2010 AND CURRENT). B) NEW REAR BRAKE PADS AND ROTORS. THE INSPECTION REVEALED REAR PADS AROUND 3 MM, AND ROTORS SHOWING RUST. THESE ARE SAFETY ISSUES, WHICH SHOULD BE ADDRESSED BEFORE SELLING THE VEHICLE. REGULAR MAINTENANCE HAS BEEN PERFORMED ON THIS VEHICLE, BUT EXISTING RECORDS DO NOT SPECIFY THAT RECOMMENDED FLUID/TIMING BELT REPLACEMENTS WERE PERFORMED.
NHTSA ODI #10816777
106,000 miles · Dec 20, 2015
Electrical SystemEngineUnknown Or Other
I NOTICED THAT WHEN I WAS IN PARK, THE CAR WOULD JUST SHUT OFF. THIS HAPPENED THREE TIMES WITHIN A FEW WEEK'S TIME. I WAS CONCERNED AND WONDERED IF THE CAR WOULD EVER JUST SHUT OFF WHILE I WAS DRIVING ON THE FREEWAY OR A BUSY STREET. TO MY HORROR, IT HAPPENED! A FEW DAYS AGO I WAS TURNING INTO A PARKING LOT AND THE CAR JUST …
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I NOTICED THAT WHEN I WAS IN PARK, THE CAR WOULD JUST SHUT OFF. THIS HAPPENED THREE TIMES WITHIN A FEW WEEK'S TIME. I WAS CONCERNED AND WONDERED IF THE CAR WOULD EVER JUST SHUT OFF WHILE I WAS DRIVING ON THE FREEWAY OR A BUSY STREET. TO MY HORROR, IT HAPPENED! A FEW DAYS AGO I WAS TURNING INTO A PARKING LOT AND THE CAR JUST SHUT OFF!...THERE WAS A CAR BEHIND ME THAT CAME TO A SCREECHING HALT! AGAIN MY GREATEST FEAR IS THAT THE CAR WILL STALL ON ME WHILE THE VEHICLE IS IN MOTION AND IF THAT HAPPENS ON A ROAD WHERE CARS ARE TRAVELLING AT HIGH SPEEDS, THEN I WOULD PROBABLY NOT LIVE TO TELL THE STORY.
NHTSA ODI #10811346
Mileage unknown · Dec 1, 2015
Electrical SystemEngineFuel/propulsion System
THE ENGINE LIGHTS STAYS ON WHEN YOU FILL THE GAS TANK IT STILL SAYS EMPTY WHEN DRIVING EVERYTHING WILL SHUT OFF THIS IS FOR THE SECOND TIME IN LESS THAN A YEAR
NHTSA ODI #10807862
77,450 miles · Oct 11, 2015
Electrical SystemEngineUnknown Or Other
WE WERE EXITING WEST BOUND I-10 IN PENSACOLA, FL, AND WHEN TURNING RIGHT ONTO THE SURFACE ROAD AT SLOW SPEED THE ENGINE DIED AND WE LOST POWER INCLUDING STEERING AND BRAKES. WE WERE ABLE TO PULL OFF OF THE ROAD INTO A RESTAURANT PARKING LOT AND RESTART THE CAR, BUT HAD A CLOSE CALL WITH SUDDENLY REDUCED SPEED IN MERGING TRAFFIC.…
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WE WERE EXITING WEST BOUND I-10 IN PENSACOLA, FL, AND WHEN TURNING RIGHT ONTO THE SURFACE ROAD AT SLOW SPEED THE ENGINE DIED AND WE LOST POWER INCLUDING STEERING AND BRAKES. WE WERE ABLE TO PULL OFF OF THE ROAD INTO A RESTAURANT PARKING LOT AND RESTART THE CAR, BUT HAD A CLOSE CALL WITH SUDDENLY REDUCED SPEED IN MERGING TRAFFIC. THIS IS THE SECOND TIME THIS HAS HAPPENED TO US IN THIS CAR. THE FIRST INCIDENT WAS IN AUG, 2013 AND WAS REPORTED AS INCIDENT REPORT #1053149. AT THAT TIME, THE DEALER WAS UNABLE TO REPRODUCE THE ISSUE, SO NO REPAIR WAS MADE. WE BELIEVE THAT THIS IS A SAFETY ISSUE AND SHOULD BE INVESTIGATED.
NHTSA ODI #10781345
170,000 miles · Oct 2, 2015
Electrical SystemEngineFuel/propulsion System
THIS HAS HAPPENED ON 4 SEPARATE OCCASIONS, BOTH WHILE DRIVING IN TOWN AT SLOW SPEEDS AND ON A HIGHWAY AT HIGH SPEEDS. THE CHECK ENGINE LIGHT WILL COME ON AND THE CAR WILL CUT OFF, NO POWER AT ALL. ON EACH OCCASION I PUT THE CAR IN NEUTRAL AND RESTARTED THE CAR IMMEDIATELY AND IT RESUMED IT'S NORMAL DRIVING CAPACITY. IT IS VER…
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THIS HAS HAPPENED ON 4 SEPARATE OCCASIONS, BOTH WHILE DRIVING IN TOWN AT SLOW SPEEDS AND ON A HIGHWAY AT HIGH SPEEDS. THE CHECK ENGINE LIGHT WILL COME ON AND THE CAR WILL CUT OFF, NO POWER AT ALL. ON EACH OCCASION I PUT THE CAR IN NEUTRAL AND RESTARTED THE CAR IMMEDIATELY AND IT RESUMED IT'S NORMAL DRIVING CAPACITY. IT IS VERY SCARY TO BE DRIVING ALONG AND THEN ALL OF A SUDDEN THE CAR CUTS OFF FOR NO REASON. THE LAST TIME IT HAPPENED I WAS IN THE MIDDLE OF A SHARP CURVE, SO NOT HAVING POWER STEERING AT THAT POINT WAS NOT VERY SAFE, AS I ENDED UP IN THE OTHER LANE BUT THANK GOODNESS THERE WASN'T A CAR COMING IN THE OTHER DIRECTION AT THE TIME.
NHTSA ODI #10779304
77,000 miles · Sep 5, 2015
Engine
THIS VEHICLE HAS BEEN HAD A FLUCTUATION IDLE FOR OVER A YEAR. IT HAS BEEN TO THE DEALER FOR SERVICE ON THIS ISSUE MANY TIMES. NO CODES ARE EVERY THROWN. I BROUGHT THE TSB ABOUT IDLE ISSUES TO THE DEALER'S ATTENTIONS. THEY SAID THIS WAS ONLY FOR CERTAIN ERROR CODES. HYUNDAI USA WAS DIRECTLY CONTACTED ABOUT THIS ISSUE. NO REP…
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THIS VEHICLE HAS BEEN HAD A FLUCTUATION IDLE FOR OVER A YEAR. IT HAS BEEN TO THE DEALER FOR SERVICE ON THIS ISSUE MANY TIMES. NO CODES ARE EVERY THROWN. I BROUGHT THE TSB ABOUT IDLE ISSUES TO THE DEALER'S ATTENTIONS. THEY SAID THIS WAS ONLY FOR CERTAIN ERROR CODES. HYUNDAI USA WAS DIRECTLY CONTACTED ABOUT THIS ISSUE. NO REPAIRS WERE MADE FOR THIS ISSUE. THE VEHICLE HAS THE 3.3L V6 ENGINE. SE TRIM LEVEL. THE ENGINE STALLED WHEN DECELERATING FROM A HIGHWAY SPEEDS TO A STOP. IT STALLED BEFORE THE CAR STOPPED. IT RESTARTED AND DROVE AFTER THAT. NO CHECK ENGINE LIGHT. I STOPPED AT THE DEALER THAT SAME DAY. I HAD THEM CHECK THE ELECTRICAL SYSTEM JSUT TO BE SURE THAT WAS NOT THE ISSUE. BATTERY, CHARING, ETC ALL TESTED FINE. I HAVE THE PRINTOUT. SO THE VECHICLE DID NOT SHOW A CHECK ENGINE LIGHT THE DEALER OFFERED NO OTHER ASSISTANCE. IT IS CLEAR FROM SEARCHING THE INTERNET THAT MANY MANY PEOPLE HAVE AN ISSUE WITH HYUNDAI VEHICLES AROUND 2009 STALLING. MOST ALL OF THESE PEOPLE REPORT THE ISSUE WITH NO CODES. SO THE DEALER IS LIMITED IN WHAT THEY CAN DO. THEY TALKED ABOUT ECM UPDATES (FIRMWARE), AND A FUEL SYSTEM SENSOR, AND THE CRANKCASE SENOR. THIS IS CLEARLY A LARGE ISSUE PUTTING PEOPLE AT RISK. THE NHTSA AND NTSB SHOULD LAUNCH A FULL INVESTIGATION, AND FIND A REAL SOLUTION. ISSUE A TSB AT A MINIMUM, OR A RECALL IF NEEDED.
NHTSA ODI #10761807
80,000 miles · Jul 2, 2015
Electrical SystemEngineFuel/propulsion System
WE HAD A SUDDEN LOSS OF POWER WHILE TRAVELING ON THE INTERSTATE AT 70 MPH. HAD TO GET OVER QUICKLY AS THE TRAFFIC WAS HEAVY AND THE CAR HAD NO POWER. THE ENGINE WOULD NOT DELIVER ANY POWER, OTHER THAN IDLE. TURNED THE CAR OFF AND LET IT SIT FOR ABOUT 15 SECONDS, THEN STARTED THE CAR AND HAD POWER BACK FOR ABOUT 3 MILES. HAPP…
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WE HAD A SUDDEN LOSS OF POWER WHILE TRAVELING ON THE INTERSTATE AT 70 MPH. HAD TO GET OVER QUICKLY AS THE TRAFFIC WAS HEAVY AND THE CAR HAD NO POWER. THE ENGINE WOULD NOT DELIVER ANY POWER, OTHER THAN IDLE. TURNED THE CAR OFF AND LET IT SIT FOR ABOUT 15 SECONDS, THEN STARTED THE CAR AND HAD POWER BACK FOR ABOUT 3 MILES. HAPPENED AGAIN AND DID THE SAME FOR ABOUT TEN MILES UNTIL GOT HOME. RECENTLY STARTED TO HAPPEN AGAIN, SAME CODES COME UP EACH TIME. TOOK CAR TO DEALERSHIP AND THEY TOLD ME THAT IT WAS JUST GLITCHES CAUSING CODES TO COME UP AND CAUSE THE ESC TO GO INTO SAFE MODE. SINCE THEN I HAVE SEEN THE EXACT SAME CODES AND NOT A LOT OF CODES, BUT CODES THAT INDICATE AN IGNITION/FUEL/CONTROL MODULE PROBLEM. THIS IS NOT AS BAD AS ACCELERATION, BUT IF PULLING OUT IN TRAFFIC OR ON AN ON RAMP, COULD BE DEADLY. HAS NOW HAPPENED SEVEN TIMES. FIRST DATE WAS APRIL 2014, COULD NOT ENTER DATE IN YOUR FORM FOR SOME REASON.
NHTSA ODI #10731812
112,833 miles · May 8, 2015
EngineService BrakesSteeringCrash
I WAS DRIVING MY WHITE HYUNDAI SANTA FE LIMITED, 3.3L, 6CYL SUV HOME FROM WORK AT APPROXIMATELY 4:30 PM EASTERN STANDARD TIME. I WAS DRIVING ON THE EXPRESSWAY AT 70 MPH WHEN THE ENGINE SUDDENLY SHUTS DOWN AND I LOSE STEERING CONTROL AND BRAKES, VEERING ONTO A NARROW SHOULDER AND INTO A SLOPE THAT SENT MY SUV INTO A SWAMP DITCH, …
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I WAS DRIVING MY WHITE HYUNDAI SANTA FE LIMITED, 3.3L, 6CYL SUV HOME FROM WORK AT APPROXIMATELY 4:30 PM EASTERN STANDARD TIME. I WAS DRIVING ON THE EXPRESSWAY AT 70 MPH WHEN THE ENGINE SUDDENLY SHUTS DOWN AND I LOSE STEERING CONTROL AND BRAKES, VEERING ONTO A NARROW SHOULDER AND INTO A SLOPE THAT SENT MY SUV INTO A SWAMP DITCH, SUBMERGING THE SUV UP PAST THE FLOORBOARDS. MY INSURANCE CLAIM SPECIALIST NOTIFIED ME THAT THE VEHICLE WAS A TOTAL LOSS, AND PAID A CLAIM PAYOUT AND SETTLEMENT FAR LESS THAN THE AMOUNT STILL OWED ON THE VEHICLE. IT IS MY OPINION THAT A CYBER-ATTACK SIGNAL SENT TO THE SUV'S ENGINE IMMOBILIZER SWITCH, SHUT DOWN THE ENGINE WITHOUT WARNING, ELECTRONICALLY. THIS CAN BE ACCOMPLISHED FROM ANY HAND HELD DEVICE, MOBIL PHONE, LAP TOP COMPUTER, SATELLITE FEED, ETC. ALL THAT IS REQUIRED IS A VIN NUMBER, AND ANY SIGNAL TO THE ENGINE IMMOBILIZER SWITCH CAN SHUT DOWN THE ENGINE DANGEROUSLY AT HIGHWAY SPEEDS. THIS HAS HAPPENED AT LOWER SPEEDS OF 20MPH, WHERE I WOULD JUST TURN THE IGNITION KEY, THE SUV WOULD START THE ENGINE, AND I WOULD PROCEED. HOWEVER, AT HIGHWAY SPEEDS, I DID NOT HAVE THIS OPTION.
NHTSA ODI #10715370
94,000 miles · Dec 3, 2014
EngineFuel/propulsion System
ENGINE LIGHT CAME ON AND THEN FUEL WARNING LIGHT CAME ON EVEN THOUGH I HAD A LEAST 1/2 TANK OF GAS. FILLED UP MY GAS TANK, ALL LIGHTS WERE OUT. WHEN I HAD APPROXIMATELY 1/2 TANK AGAIN, THE ENGINE AND FUEL LIGHTS CAME ON. I BROUGHT MY CAR TO MY MECHANIC AND WAS TOLD THE 2 FUEL SENSORS NEED TO BE REPLACED AT A COST OF OVER $350…
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ENGINE LIGHT CAME ON AND THEN FUEL WARNING LIGHT CAME ON EVEN THOUGH I HAD A LEAST 1/2 TANK OF GAS. FILLED UP MY GAS TANK, ALL LIGHTS WERE OUT. WHEN I HAD APPROXIMATELY 1/2 TANK AGAIN, THE ENGINE AND FUEL LIGHTS CAME ON. I BROUGHT MY CAR TO MY MECHANIC AND WAS TOLD THE 2 FUEL SENSORS NEED TO BE REPLACED AT A COST OF OVER $350.00. UPON ONLINE RESEARCHING, I LEARNED THAT THERE ARE MANY OTHERS WHO ARE EXPERIENCING THE SAME PROBLEM. I FEEL THAT BECAUSE THIS IS HAPPENING TO OTHER HYUNDAI OWNERS, IT IS A PROBLEM THAT HYUNDAI NEEDS TO REPAIR AT NO COST TO THE OWNER OF THESE VEHICLES. IN MY CASE, I NEED TO BE REIMBURSE THE COST OF THE REPAIR. *JS
NHTSA ODI #10661970
Official recalls
2Apr 1, 2013
Hyundai Motor Company (Hyundai) is recalling certain model year 2006-2009 Accent, model year 2007-2011 Azera, Sonata and Sante Fe,2006-2011 Tucson, 2009-2011 Elantra Touring, 2007-2010 Elantra, 2008-2011 Veracruz, 2009-2011 Genesis, 2010-2011 Genesis Coupe, 2007-2008 Entourage, and 2006-2008 Tiburon vehicles. Originally, in April 2013, Hyundai recalled 1,059,824 model year 2007-2009 Accent and Tucson, model year 2007-2010 Elantra, model year 2007-2011 Santa Fe, model year 2008-2009 Veracruz, model year 2010-2011 Genesis Coupe, and model year 2011 Sonata vehicles. In September 2013, Hyundai informed the agency that it was adding more vehicles to this campaign, representing an additional 652,512 units. The total number of vehicles being recalled is now 1,712,336. In the affected vehicles, the stop lamp switch may malfunction. A malfunctioning stop lamp switch may cause the brake lights to not illuminate when the brake pedal is depressed or may cause an inability to deactivate the cruise control by depressing the brake pedal. Additionally, a malfunctioning stop lamp switch may also result in intermittent operation of the push-button start feature, affect the operation of the brake transmission shift interlock feature, preventing the shifter from being moved out of the PARK position and cause the Electronic Stability Control (ESC) malfunction light to illuminate.
Consequence & remedy
Consequence: Failure to illuminate the stop lamps during braking or inability to disengage the cruise control could increase the risk of a crash. Additionally, when the ignition is in the 'ON' position, the transmission shifter may be able to be moved out of Park without first applying the brake. This may lead to unintentional movement of the car which may increase the risk of a crash.
Remedy: Hyundai will notify owners, and dealers will replace the stop lamp switch, free of charge. The safety recall began on April 22, 2013. Owners may contact Hyundai at 1-800-633-5151. Hyundai's recall campaign number is 110.
Jul 25, 2012
Hyundai is recalling certain model year 2007 through 2009 Santa Fe vehicles manufactured from April 19, 2006, through July 7, 2008. The occupant classification system (OCS) may need recalibration to accurately detect small statured adults.
Consequence & remedy
Consequence: Improper classification or detection may cause the front passenger airbag not to deploy in the event of a crash, increasing the risk of injury to the front passenger.
Remedy: Hyundai will notify owners, and dealers will update the classification software free of charge. The safety recall began on September 7, 2012. Owners may contact Hyundai at 1-800-633-5151.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
NHTSA investigations
1DP21003 · Throttle Control System Vulnerabilities
Opened Nov 12, 2021 · Closed Jun 20, 2023
Status: closed (inferred from source dates) · Vehicle Speed Control:throttle
The Office of Defects Investigation (ODI) of the National Highway Traffic Safety Administration (NHTSA) received a petition letter dated October 10, 2021, requesting an investigation of possible defects in the electronic throttle control (ETC) system on certain Kia vehicles resulting in the opening of DP21-003. Accordingly, Model Year (MY) 2005-2016 Kia Optima/K5, MY 2006-2015 Kia Sorento, MY 2007-2016 Hyundai Elantra, MY 2007-2016 Hyundai Santa Fe, MY 2006-2015 Hyundai Sonatas are all part of the subject population. The petition was originally filed as a Vehicle Owner Questionnaire that can be reviewed at NHTSA.gov under reference (ODI) number 11439675.On November 12, 2021, ODI opened Defect Petition DP21-003 to evaluate the petitioner?s request. ODI performed trend analyses of the VOQs related to vehicle speed control issues for all the subject vehicles and found that none of the 52 Model/Model Year Hyundai/Kia vehicles demonstrated any actionable trend that warranted an investigation.Petitioners submitted 1119 VOQs and non-VOQ cases in which sudden uncommanded acceleration (SUA) or loss of motive power (LOMP) incidents were alleged.For the 1119 reports, 220 were incidents involving crashes, from which 69 subject Hyundai-Kia vehicles were inspected by Hyundai/Kia dealer technicians, Hyundai/Kia engineers, and/or third-party representatives.ODI found the inspections identified no vehicle defects related to the ETC system.Of the 220 crash-involved reports, 13 Event Data Recorder (EDR) records were downloaded successfully and 11 of those indicated driver error: (i.e.) pedal misapplication.A condition where the accelerator pedal is mistakenly applied instead of the brake pedal when the driver wants to stop the vehicle.In addition, ODI reviewed a scientific journal paper published in Forensic Science International in 2016 by Mr. Park et al ., as well as related test videos. ODI does not believe there is any evidence of uncontrollable SUA occurrences in any of the tests reviewed. NHTSA's Office of Vehicle Safety Compliance (OVSC) reviewed the allegations regarding the potential noncompliance with Federal Motor Vehicle Safety Standard No. 124.Based on the information provided, the Agency concludes there is insufficient information for us to determine if a possible non-compliance exists.Finally, both Hyundai and Kia informed ODI that all their vehicles manufactured after 2012 were equipped with an ETC management system, in which the engine speed will go to idle when the system sees signals from both the brake pedal and accelerator pedal at the same time; this is commonly known as the brake-throttle override system.After thoroughly assessing the material submitted by the petitioner, information already in NHTSA's possession, information submitted by Hyundai and Kia in response to an Information Request letter, and the potential risks to safety implicated by the petitioner's allegation, NHTSA does not believe that a formal investigation is warranted. After full consideration of appropriate factors, the petition is denied. A Federal Register Notice (FRN) further detailing NHTSA?s reasons for denial of the petition will be published.