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2009 Hyundai Santa Fe

Owner reports · Recalls · Investigations

Similar to other model years

Owner complaints for the 2009 Hyundai Santa Fe do not stand out strongly from the model-year median of 212.5.

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When problems were reported

Mileage at the reported incident

278 reports with mileage · 80 unknown

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

What to inspect

Issues worth paying extra attention to based on owner reports.

  • Fuel/propulsion System. Review the 109 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Engine. Review the 60 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Vehicle Speed Control. Review the 51 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

27 crash reports5 fire reports15 injury reports

Vehicle Speed Control complaints

51 reports
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14,956 miles · Jun 5, 2014
Vehicle Speed Control

TL* THE CONTACT OWNS A 2009 HYUNDAI SANTA FE. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 40 MPH, THE ACCELERATOR PEDAL BECAME STUCK TO THE FLOOR AND WAS UNABLE TO STOP THE VEHICLE. THE VEHICLE WAS TAKEN TO THE DEALER WHERE IT WAS DIAGNOSED THAT THERE WAS CARBON BUILD UP IN THE THROTTLE BODY CAUSING THE THROTTLE TO STICK…

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TL* THE CONTACT OWNS A 2009 HYUNDAI SANTA FE. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 40 MPH, THE ACCELERATOR PEDAL BECAME STUCK TO THE FLOOR AND WAS UNABLE TO STOP THE VEHICLE. THE VEHICLE WAS TAKEN TO THE DEALER WHERE IT WAS DIAGNOSED THAT THERE WAS CARBON BUILD UP IN THE THROTTLE BODY CAUSING THE THROTTLE TO STICK. THE MANUFACTURER WAS NOT MADE AWARE OF PROBLEM. THE APPROXIMATE FAILURE MILEAGE WAS 14,956. UPDATED 8/12/14*CN

NHTSA ODI #10596398

8,900 miles · Jun 3, 2014
Service BrakesVehicle Speed Control

TL* THE CONTACT OWNS A 2009 HYUNDAI SANTE FE. THE CONTACT STATED THAT WHILE DRIVING 70 MPH, THE VEHICLE SUDDENLY ACCELERATED TO 90 MPH. THE CONTACT MENTIONED THAT THE TRANSMISSION WAS ABLE TO SHIFT INTO NEUTRAL BUT THE VEHICLE FAILED TO SHUT OFF. ALSO, THE CONTACT STATED THAT HE ATTEMPTED TO ENGAGE THE BRAKES BUT THE VEHICLE FAI…

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TL* THE CONTACT OWNS A 2009 HYUNDAI SANTE FE. THE CONTACT STATED THAT WHILE DRIVING 70 MPH, THE VEHICLE SUDDENLY ACCELERATED TO 90 MPH. THE CONTACT MENTIONED THAT THE TRANSMISSION WAS ABLE TO SHIFT INTO NEUTRAL BUT THE VEHICLE FAILED TO SHUT OFF. ALSO, THE CONTACT STATED THAT HE ATTEMPTED TO ENGAGE THE BRAKES BUT THE VEHICLE FAILED TO STOP. THE VEHICLE WAS NOT TAKEN TO A DEALER. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE FAILURE AND CURRENT MILEAGE WAS 8,900. UPDATED 09/15/14*LJ UPDATED 1/7/2015 *JS

NHTSA ODI #10595782

65,000 miles · May 2, 2014
Service Brakes, HydraulicVehicle Speed Control

I HAD MADE A LEFT HAND TURN AND WENT TO ACCELERATE AND THE VEHICLE KEPT ACCELERATING AND THE ENGINE REVVED UP, I TRIED TO PUSH THE BRAKE TO SLOW THE VEHICLE DOWN AND IT WOULD NOT SLOW DOWN OR STOP. THE ENGINE REVVED UP AND FINALLY AFTER A FEW MOMENTS THE GAS PEDAL CAME UNSTUCK. THE CAR SLOWED DOWN AND I PULLED OVER. LATER THAT D…

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I HAD MADE A LEFT HAND TURN AND WENT TO ACCELERATE AND THE VEHICLE KEPT ACCELERATING AND THE ENGINE REVVED UP, I TRIED TO PUSH THE BRAKE TO SLOW THE VEHICLE DOWN AND IT WOULD NOT SLOW DOWN OR STOP. THE ENGINE REVVED UP AND FINALLY AFTER A FEW MOMENTS THE GAS PEDAL CAME UNSTUCK. THE CAR SLOWED DOWN AND I PULLED OVER. LATER THAT DAY MY SON DROVE THE VEHICLE AND IT HAPPENED TWICE TO HIM WHEN HE WENT TO ACCELERATE HE SAID IT JUST KEPT ACCELERATING AND HE SAID HE KEPT HITTING THE BRAKES UNTIL THE CARE WENT BACK TO NORMAL. I DID TAKE IT TO THE DEALERSHIP WHERE THEY SAID NOTHING WAS WRONG WITH MY VEHICLE. I DID DO A GOOGLE SEARCH AND IT SEEMS THAT OTHER OWNERS OF THE 2009 HYUNDAI SANTA FE REPORTED THE SAME EXACT PROBLEM. *TR

NHTSA ODI #10586146

90,000 miles · Dec 29, 2013
StructureVehicle Speed ControlCrash

ENTERED HORSESHOE CASINO PARKING GARAGE AND TURNED INTO PARKING LEVEL. AS I FOLLOWED FORD TAURUS, HYUNDAI ENGINE CHANGED FROM NORMAL SPEED TO A ROARING ACCELERATION IN AN INSTANCE. I COULDN'T BRAKE IT TO A STOP AND IT RAMMED THE REAR END OF THE TAURUS. DAMAGE TO THE SANTE FE WAS LIMITED TO FRONT BUMPER DAMAGE WHILE THE BACK END…

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ENTERED HORSESHOE CASINO PARKING GARAGE AND TURNED INTO PARKING LEVEL. AS I FOLLOWED FORD TAURUS, HYUNDAI ENGINE CHANGED FROM NORMAL SPEED TO A ROARING ACCELERATION IN AN INSTANCE. I COULDN'T BRAKE IT TO A STOP AND IT RAMMED THE REAR END OF THE TAURUS. DAMAGE TO THE SANTE FE WAS LIMITED TO FRONT BUMPER DAMAGE WHILE THE BACK END OF THE TAURUS WAS DRIVEN FORWARD AND TORN UP. MY HUSBAND THOUGHT THE CRUISE MIGHT HAVE GONE ON; BUT, HE DECIDED THE ACCELERATION WAS TOO RAPID FOR THE CRUISE. HE WAS IN THE PASSENGER SEAT. WE DROVE HOME WITHOUT ANY FURTHER TROUBLE. *TR

NHTSA ODI #10557661

78,000 miles · Dec 4, 2013
Vehicle Speed Control

TL* THE CONTACT OWNS A 2009 HYUNDAI SANTA FE. THE CONTACT STATED THAT WHILE ATTEMPTING TO ACCELERATE, THE ACCELERATOR PEDAL WOULD BECOME STUCK AND IN ORDER TO RELEASE IT, THE BRAKES NEEDED TO BE ENGAGED SIMULTANEOUSLY. THE VEHICLE WAS TAKEN TO THE DEALER AND WAS DIAGNOSED THAT THE THROTTLE BODY NEEDED TO BE REPLACED. THE MANUFAC…

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TL* THE CONTACT OWNS A 2009 HYUNDAI SANTA FE. THE CONTACT STATED THAT WHILE ATTEMPTING TO ACCELERATE, THE ACCELERATOR PEDAL WOULD BECOME STUCK AND IN ORDER TO RELEASE IT, THE BRAKES NEEDED TO BE ENGAGED SIMULTANEOUSLY. THE VEHICLE WAS TAKEN TO THE DEALER AND WAS DIAGNOSED THAT THE THROTTLE BODY NEEDED TO BE REPLACED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS 78,000 AND THE CURRENT MILEAGE WAS 86,000. UPDATED 01/07/14*LJ

NHTSA ODI #10554752

61,000 miles · Nov 6, 2013
Vehicle Speed Control

DRIVING MY WIFE'S CAR AROUND 40 MPH AND FOR NO REASON THE CAR STARTED ACCELERATING TO A HIGH RATE OF SPEED AND I HAD TO LAY ON THE BRAKE BUT WHEN I TOOK MY FOOT OFF THE BRAKE IT AGAIN STARTED ACCELERATING AT A HIGH RATE OF SPEED. I PUT THE CAR IN NEUTRAL AND THE ENGINE WAS RACING VERY HIGH I SHUT THE CAR OFF AND STARTED IT AGAI…

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DRIVING MY WIFE'S CAR AROUND 40 MPH AND FOR NO REASON THE CAR STARTED ACCELERATING TO A HIGH RATE OF SPEED AND I HAD TO LAY ON THE BRAKE BUT WHEN I TOOK MY FOOT OFF THE BRAKE IT AGAIN STARTED ACCELERATING AT A HIGH RATE OF SPEED. I PUT THE CAR IN NEUTRAL AND THE ENGINE WAS RACING VERY HIGH I SHUT THE CAR OFF AND STARTED IT AGAIN AND IT WAS BACK TO NORMAL. I AM CONCERNED THAT THIS WILL HAPPEN AGAIN. TALKED TO HYUNDAI SERVICE AND THEY COULD NOT GIVE ME AN ANSWER. *TR

NHTSA ODI #10551176

56,830 miles · Sep 28, 2013
Electronic Stability Control (esc)Fuel System, GasolineVehicle Speed Control

WAS GOING ABOUT 70 MPH AROUND TOPEKA KANSAS WHEN THE VEHICLE LURCHED, THEN THE ESC, ENGINE AND CHASSIS LIGHTS FLASHED. IMMEDIATELY AFTERWARDS THE CAR LOST ALL PROPULSION. FORTUNATELY I WAS BY AN OFF-RAMP, BUT COULD OF GOTTEN IN AN ACCIDENT WHICH SUCH A SUDDEN DECELERATION. MANAGED TO GET TO AN AUTOZONE STORE TO CHECK THE FAUL…

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WAS GOING ABOUT 70 MPH AROUND TOPEKA KANSAS WHEN THE VEHICLE LURCHED, THEN THE ESC, ENGINE AND CHASSIS LIGHTS FLASHED. IMMEDIATELY AFTERWARDS THE CAR LOST ALL PROPULSION. FORTUNATELY I WAS BY AN OFF-RAMP, BUT COULD OF GOTTEN IN AN ACCIDENT WHICH SUCH A SUDDEN DECELERATION. MANAGED TO GET TO AN AUTOZONE STORE TO CHECK THE FAULT. THE FAULT CAME UP AS THE THROTTLE POSITION SENSOR (TPS). MANAGED TO GET IT TO THE DEALERSHIP IN TOPEKA. THEY FIXED IN WITHIN 10 MINUTES, BUT AFTER COMPLETING MY TRIP BACK TO COLORADO NOTICED THE CAR IS LURCHING AGAIN IN LOWER SPEED, IN-TOWN TRAFFIC...VERY DANGEROUS!!! WILL BE CONTACTING THE DEALERSHIP IN COLORADO ON MONDAY MORNING!! HAD A SIMILAR PROBLEM TWO YEARS AGO, TOOK IT INTO THE DEALERSHIP AND THEY SAID THEY COULDN'T FIND A PROBLEM WITH IT. GUESS THEY WON'T BE SATISFIED UNTIL THE WARRANTY PERIOD ENDS AND SOMEONE GETS KILLED. *TR

NHTSA ODI #10546038

26,000 miles · Jul 8, 2013
Vehicle Speed Control

DRIVING ON HIGHWAY, ESC LIGHT & CHECK ENGINE LIGHT ILLUMINATED, CAR LOST POWER. AFTER APPROXIMATELY 2 MINUTES, CAR RESTARTED AND RETAINED POWER FOR APPROXIMATELY ONE YEAR. THIS YEAR, THE CAR HAS DUPLICATED THE SAME PROBLEM 4 TIMES WITHIN A MONTH, AND WHEN FOOT ON BRAKE IN DRIVE, THE CAR SURGES SO BADLY THAT AT TIMES I THOUGHT …

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DRIVING ON HIGHWAY, ESC LIGHT & CHECK ENGINE LIGHT ILLUMINATED, CAR LOST POWER. AFTER APPROXIMATELY 2 MINUTES, CAR RESTARTED AND RETAINED POWER FOR APPROXIMATELY ONE YEAR. THIS YEAR, THE CAR HAS DUPLICATED THE SAME PROBLEM 4 TIMES WITHIN A MONTH, AND WHEN FOOT ON BRAKE IN DRIVE, THE CAR SURGES SO BADLY THAT AT TIMES I THOUGHT SOMEONE HAD BUMPED THE REAR OF CAR. I TOOK TO DEALER TODAY AND THEY REPLACED THE THROTTLE POSITION SENSOR UNDER WARRANTY. THIS WAS VERY MUCH A SAFETY CONCERN , WOULD OFTEN HAPPEN THIS YEAR WHEN VEHICLE WAS SLOWING, SO THAT MAKING A LEFT TURN PUT ME IN A DANGEROUS SITUATION.THE REPLACEMENT OF THE THROTTLE SENSOR SEEMS TO HAVE REMEDIED THE PROBLEM. *TR

NHTSA ODI #10523792

30,000 miles · May 22, 2013
EngineFuel/propulsion SystemVehicle Speed Control

I WAS ON A RETURN TRIP OF 5 HOURS OR SO EACH WAY WHICH I TOOK AT ABOUT 30,000 MILES ON THE ODOMETER, AND NOTICED A VERY PRONOUNCED DROP IN POWER AND ACCELERATION CAPABILITY QUITE SUDDENLY. IT WAS AS IF SOME WIRING OR HOSE HAD COME LOOSE UNDER THE HOOD. A FEW MONTHS LATER, WHEN THE PROBLEM HAD NOT CHANGED AT ALL IN OVER 3000 MILE…

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I WAS ON A RETURN TRIP OF 5 HOURS OR SO EACH WAY WHICH I TOOK AT ABOUT 30,000 MILES ON THE ODOMETER, AND NOTICED A VERY PRONOUNCED DROP IN POWER AND ACCELERATION CAPABILITY QUITE SUDDENLY. IT WAS AS IF SOME WIRING OR HOSE HAD COME LOOSE UNDER THE HOOD. A FEW MONTHS LATER, WHEN THE PROBLEM HAD NOT CHANGED AT ALL IN OVER 3000 MILES OF DAY-TO-DAY DRIVING, INCLUDING A DAILY STINT (TO WORK) OF MAYBE 12 MILES EACH WAY ON THE FREEWAY WHICH ENTAILS ACCELERATING UP THE ON-RAMP INTO THE FLOW OF TRAFFIC, I STILL COULD FEEL THE DIFFERENCE IN ACCELERATION AND RESPONSE TIME WHILE ACCELERATING. WHEN I TOOK THE SANTA FE IN FOR A NORMAL OIL CHANGE, I REPORTED TO THE DEALER THESE SYMPTOMS, AND ASKED TO HAVE IT CHECKED OUT. THEY CHANGED THE OIL, AND CHECKED OUT THE COMPUTER READOUTS FOR THE VEHICLE, AND SAID THERE WERE NO PROBLEMS DETECTED BY THE COMPUTER AT THAT TIME, BUT WHEN THIS TYPE OF BEHAVIOR ON THE VEHICLE OCCURRED, IT WAS MOST OFTEN DUE TO THE FUEL FILTER BEING ALL CLOGGED UP, ALTHOUGH THAT STILL MIGHT NOT BE THE PROBLEM. THEY QUOTED ME A PRICE OF $270 TO CHANGE THE FUEL FILTER, AND AFTER I ASKED IF THERE WAS ANY COUPON DISCOUNT FOR THIS SERVICE EVER THRU THEIR DEALERSHIP, THE SERVICE MANAGER GAVE ME A COUPON BOOK FOR A FLAT RATE OFF DEPENDING UPON HOW MUCH WAS BEING PAID FOR. (IT AMOUNTED TO MAYBE $25 OFF THIS SERVICE.) THEY DID NOT HAVE TIME THAT DAY TO CHANGE IT OUT, SO I DECIDED TO CHECK OUT BOTH WHETHER THERE HAD BEEN ANY COMPLAINTS, SERVICE REPORTS, OR RECALLS ABOUT THIS FUEL FILTER, AND THAT IS WHAT LED ME HERE TO MAKE THIS COMPLAINT ABOUT BOTH THE COST OF THIS REPLACEMENT AND THE POOR PROGNOSIS OF IT SOLVING THE ACCELERATION PROBLEM. I AM GOING TO CHECK WITH A REPAIR PLACE I FEEL CONFIDENT IN ABOUT THEIR COST TO DO THIS REPLACEMENT. HOPEFULLY, IT WILL BE MUCH LESS. *TR

NHTSA ODI #10513166

27,430 miles · Mar 29, 2013
Power TrainVehicle Speed Control

UPON ENTERING THE HIGHWAY AT 55 MPH MY 2009 HYUNDAI SANTA FE TOOK OFF AND THE GAS PADDLE GOT STUCK FOR 15 - 20 SECONDS EVEN THOUGH IT FELT LIKE A LIFE TIME. I STUMPED ON BRAKE PEDAL AND TRIED TO PUMPED THE BRAKE PEDAL TO NO AVAIL. THE RPM ON MY CAR WAS REGISTERED AT 6-7 AND THE ENGINE WAS VERY LOUD. I GOT THE CAR TO STOP BY P…

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UPON ENTERING THE HIGHWAY AT 55 MPH MY 2009 HYUNDAI SANTA FE TOOK OFF AND THE GAS PADDLE GOT STUCK FOR 15 - 20 SECONDS EVEN THOUGH IT FELT LIKE A LIFE TIME. I STUMPED ON BRAKE PEDAL AND TRIED TO PUMPED THE BRAKE PEDAL TO NO AVAIL. THE RPM ON MY CAR WAS REGISTERED AT 6-7 AND THE ENGINE WAS VERY LOUD. I GOT THE CAR TO STOP BY PLACING THE TRANSMISSION IN THE NEUTRAL POSITION. I CALLED THE NEAREST DEALER TO MY HOME TO MAKE AN APPOINTMENT AND THEY WERE NOT ABLE TO DUPLICATE THE PROBLEM. SO TO THEM THERE WAS NO PROBLEM WITH MY VEHICLE. TO ME AND MY TWO DAUGHTERS THIS EXPERIENCE IS A NIGHTMARE AND THE CAR IS UNSAFE TO DRIVE. SINCE 2002 I BOUGHT 5 HYUNDAI CARS (2002 SONATA, 2003 SANTA FE (DAUGHTER IN LAW DRIVES), 2004 SANTA FE (SON DRIVES), 2004 SANTA FE (DAUGHTER DRIVES) AND MY CAR 2009 SANTA FE. AS YOU CAN SEE FROM MY MULTIPLE PURCHASES I LOVED DRIVING AND OWNING HYUNDAI SANTA FE'S. I AM VERY UPSET BECAUSE WE COULD HAVE DIED! I AM EVEN MORE UPSET THAT HYUNDAI WILL NOT STAND BEHIND THEIR PRODUCTS AND MAKE EXCUSES SO THEY WILL NOT HAVE TO MAKE REPAIRS. THE $$$ MUST BE WORTH MORE THAN PEOPLES LIVES. THE HYUNDAI DEALER IN NORTH EAST PHILADELPHIA EVEN HAD THE NERVE TO BLAME ME BECAUSE HE SAID NOT REPLICATE THE INCIDENT AND IT WAS NOT IN THE CARS COMPUTER. SHAME ON YOU HYUNDAI, SHAME ON YOU DEALERS. THIS IS THE LAST HYUNDAI THAT I WILL EVER OWN, I WILL NO LONGER RECOMMEND ANY OF YOUR CARS TO ANYONE BUT I WILL SHARE MY STORY WITH THEM. YOU LOST A CUSTOMER AND I WILL JOIN ANY CLASS ACTION SUIT AND I WILL CALL THE TV STATIONS TO REPORT THIS PROBLEM. I DO NOT THINK THAT ANYONE SHOULD DIE BEFORE YOU FIX THE PROBLEM - WHAT ABOUT YOU HYUNDAI? PEOPLES LIVES OR $$$$$. I AM PLANNING ON REPLACING THE THROTTLE POSITION SENSOR AND GETTING RID FOR THE CAR. I DO NOT WANT ANOTHER NEAR DEATH EXPERIENCE. *TR

NHTSA ODI #10504974

Official recalls

2

13V113000 · Exterior Lighting:brake Lights:switch

Apr 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.

12V354000 · Air Bags:frontal:sensor/control MODULE-INACTIVE

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

1

DP21003 · 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.