Car Accelerates On Its Own Problems of Hyundai Sonata - part 1

Hyundai Sonata owners have reported 59 problems related to car accelerates on its own (under the vehicle speed control category). The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of Hyundai Sonata based on all problems reported for the Sonata.

1 Car Accelerates On Its Own problem of the 2008 Hyundai Sonata

Failure Date: 08/31/2020

While passing a vehicle traveling approximately 40 mph in a 50mph zone, my 2008 Hyundai Sonata experienced �sudden unintended acceleration� approaching a speed of 65-70 mph. Even after applying firm continuous pressure on brake pedal was unable to slow vehicle down. While continuing to apply pressure to brake pedal, I shifted automatic gear shift into neutral and was able to gradually coast onto the shoulder of the road. When vehicle came to a complete stop. The engine was still running at a very high rpm and sounded as if it were a jet airplane taking off. Turned ignition off and let car sit for 1-2 minutes while I contemplated �now what?� was unable to put car in park, so started car in neutral. Was able to move gear shift to drive and carefully drove car home. Called Hyundai corporate office next morning (Monday August 31, 2020) to report my frightening and very dangerous experience. Then called my local Hyundai dealer to report and request they come and pick the vehicle up as I did not feel it was safe to drive.

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2 Car Accelerates On Its Own problem of the 2009 Hyundai Sonata

Failure Date: 11/20/2019

Tl-the contacvt owns a 2009 Hyundai Sonata. The contact stated that the vehicle was turned on and in reverse ( the foot on the accelerator ), the vehicle suddenly accelerated and stroke a light pole. The contact shifted to drive and then the vehicle again accelerated. The contact shifted to park, then the vehicle stopped. The vehicle was restarted and drove normal. The vehicle wasa not taken to the dealer for a diagnostic. The manufacturer was notified of the failure. The vehicle was not repaired. The approximate failure mileage was 180,000. VIN unailable. Bp.

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3 Car Accelerates On Its Own problem of the 2018 Hyundai Sonata

Failure Date: 11/05/2019

2018 Hyundai Sonata. Consumer writes in regards to unintended acceleration. The consumer stated the while attempting to make a right turn into a parking space the vehicle accelerated rapidly. The consumer attempted to stop the vehicle by applying the brakes, but to no avail. The vehicle crashed over concrete parking barriers into an embankment with shrubs and was stopped by a tree angled upwards. The dealer was contacted and did not offer any assistance.

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4 Car Accelerates On Its Own problem of the 2016 Hyundai Sonata

Failure Date: 09/03/2019

- sudden accecleration surge when releasing brake. When turning into parking and when light turn green and releasing brake. - spuratic acceleration decrease when driving. . . Most recent: pulling into parking stall ( left) as I pulled foward and release brake to move up another foot, the car suddenly accelerated. Car went over parking block ( 1-2 feet in front of me) then jump over into a tree. ( 1-2 feet in front of parking block). Force of surge left skid marks on parking block. Air bags did not deploy, but caused serious damage (approx 5k).

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5 Car Accelerates On Its Own problem of the 2013 Hyundai Sonata

Failure Date: 07/02/2019

Tl- the contact owns a 2013 Hyundai Sonata. While entering a parking spot with the brake pedal depressed, the driver released the pedal and the vehicle suddenly accelerated on its owns. The driver lost control of the vehicle. The vehicle hit a pole causing sever damage to the front of the vehicle. No warning lights illumined prior to the failure, the airbags did not deploy on impact. The contacts spouse sustained sever bruising from the seatbelt, the spouse had spinal surgery not related to incident. A police report was taken by the south carola state police the vehicle was towed to fort mill Hyundai, 805 gold hill road, fort hill, SC 29708, 855-615-6368, the vehicle has not been repaired. The manufacturer was contact and case number 15899953, to which Hyundai copied the vehicles logs. Ep.

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6 Car Accelerates On Its Own problem of the 2017 Hyundai Sonata

Failure Date: 05/03/2019

Tl-the contact owns a 2017 Hyundai Sonata. The contact stated that while attempting to park in a space, the vehicle unexpectedly accelerated; going over the cement barrier in front of the spot, continued across a gravel area and smashing in to a concrete wall, punching a hole in it. The air bags deployed. The police was present, no report was issued. The vehicle was towed to a collision lot. The vehicle was not taken to the dealer for a diagnostic. The vehicle was not repaired. The manufacturer was not notified of the failure. The approximate failure mileage was 3,591. Bp.

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7 Car Accelerates On Its Own problem of the 2013 Hyundai Sonata

Failure Date: 02/28/2019

Feburary 28 2019 coming home from my mothers birthday dinner my 2013 Hyundai Sonata accelerated on it's own. The vehicle went from 35mph to 65mph in a few seconds. Between the rain and sudden acceleration the vehicle lost traction. I tried the brakes, emergency brake and tried to put the car in neutral and failed. I was able to keep the vehicle from going off the side of the mountain with my 5 year old daughter. I was able to drift into a rock wall instead. We hit at approximately 40 to 45 mph. My 2013 Hyundai Sonata was totalled. I was finally able to get the gear shift to go in park and turn off the vehicle. Police report shows mechanical malfunction. We are lucky to be alive. This happened in helen white county georgia. When the tow company arrived they turned the car on and it went to full acceleration. Emt police officer and tow truck driver witnessed. I also have pictures in addition I have 2 videos from my husbands ase certified shop of the car being turned on and accelerating on it's own in park.

8 Car Accelerates On Its Own problem of the 2017 Hyundai Sonata

Failure Date: 05/16/2018

Tl-the contact owns a 2017 Hyundai Sonata. The contact stated that while stationary, the vehicle rapidly accelerated without warning. Jasper Hyundai motors of jasper, alabama was made aware of the failure. The vehicle was not repaired. The manufacturer was not made aware of the failure. The failure mileage was 15,000. The VIN was not available. Ad.

9 Car Accelerates On Its Own problem of the 2015 Hyundai Sonata

Failure Date: 12/24/2017

My wife believes our car had a "sudden unintended acceleration" that caused the car to lurch forward at a high speed and rear end the car parked in front of her. She kindly suggests that employee take the time to research this on the internet. Use google and type in Hyundai sudden unintended acceleration. You will see stories from numerous Hyundai car owners who say they have had this same problem happen. This problem is very dangerous and I fear for my wife's safety when she continues to drive our Hyundai. I know we have no proof of this happening unless Hyundai motor corp. "owns up" to the problem. But my wife is absolutely certain that our car suddenly unintended accelerated forward causing the rear end collision. She was attempting to park her car on a street. My wife is a very safe and careful driver. She has been driving for 30 years without having an accident, until recently. She truly believes the accident was caused by the sua and she was not at fault.

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10 Car Accelerates On Its Own problem of the 2017 Hyundai Sonata

Failure Date: 11/14/2017

The contact owns a 2017 Hyundai Sonata. While stationary on "auto-hold", the vehicle accelerated rapidly without warning at 40 mph and crashed into a fence. After the contact released her foot from the accelerator pedal, the vehicle kept accelerating. In addition, the contact depressed the brake pedal to the floorboard in an attempt to stop the vehicle and the vehicle slowly came to a stop. The air bags did not deploy. A police report was not filed. There were no injuries sustained. The vehicle was towed to skyland collision in stanton island, new york. Island Hyundai in stanton island, new york was contacted about the crash and determined that there was a recall on the inhivorator switch of the vehicle. The vehicle was not repaired for the failure. The manufacturer was made aware of the issue and provided the contact with case number: 10776147. The failure mileage was 900.

11 Car Accelerates On Its Own problem of the 2016 Hyundai Sonata

Failure Date: 10/26/2017

The contact owns a 2016 Hyundai Sonata. While driving various low speeds, the vehicle hesitated to accelerate. Upon attempting to accelerate rapidly, while depressing the accelerator pedal, the vehicle decreased in speed. The vehicle was taken to shortline Hyundai in aurora, colorado where the vcm was updated. The manufacturer was made aware of the issue. The failure mileage was 7,965.

12 Car Accelerates On Its Own problem of the 2017 Hyundai Sonata

Failure Date: 10/15/2017

On 10-15-17 I had an incident of an unintended acceleration as I was turning into my driveway. The car made a loud vroom noise and I tried to brake and the brakes failed me and I put the car into park and it still moved where it hit my garage door. I have tire marks all over my driveway from this incident. I was driving a Hyundai Sonata sport and the dealership or corporate does not want to take back the car or do anything for me because they claim nothing is wrong with the vehicle but I know that is not true.

13 Car Accelerates On Its Own problem of the 2008 Hyundai Sonata

Failure Date: 09/30/2017

On two separate occasions, the vehicle accelerated with no warning. The first occurred sat September 30. I filled my car with gas and was pulling into a parking place when the vehicle accelerated without warning causing the vehicle to almost crash through a restaurant wall. The second was October 14, when I pulled into my garage, I put my foot on the brake to stop and with my foot on the brake, the car unexpectedly accelerated and hit my freezer. I read several articles on the internet where this is not a rare occurrence.

14 Car Accelerates On Its Own problem of the 2017 Hyundai Sonata

Failure Date: 08/26/2017

(gl dealer info) tl the contact owned a 2017 Hyundai Sonata. While driving approximately 5 mph and turning to the right, the vehicle suddenly accelerated and surged forward. The vehicle drove onto a nearby lawn and eventually crashed into a tree. The air bags deployed. The vehicle received damage to the front end and was towed away. The vehicle was deemed totaled by the insurance company. The vehicle was not diagnosed due to the extent of damage. The contact stated that the passenger received injuries to the chest and wrist area, which did not require medical attention. A police report was filed. The manufacturer was made aware of the failure. The VIN was unknown. The approximate failure mileage was 15,000.

15 Car Accelerates On Its Own problem of the 2013 Hyundai Sonata

Failure Date: 07/04/2017

Tl- the contact's wife owns a 2013 Hyundai Sonata. The contact received notification of NHTSA campaign number 17v226000 (engine and engine cooling). However, the contact stated that his wife depressed the accelerator pedal but the vehicle hesitated for a few seconds then rapidly accelerated then reduced to normal speed. No warning light illuminated. The contact called orlando Hyundai at 4110 w colonial dr, orlando, FL 32808, (407) 578-5337 where the dealer stated that they are unable to repair the vehicle until they spoke with the manufacturer and an appointment was scheduled. The vehicle was not diagnosed or repaired. The manufacturer was not notified of the issue. The approximate failure mileage was 22,000. Lt.

16 Car Accelerates On Its Own problem of the 2013 Hyundai Sonata

Failure Date: 06/29/2017

The brake pedal and accelerator pedal are so close together as to interfere with each other. Specifically, as one comes to a stop, the brake pedal is so close to the accelerator both laterally and vertically, that the operators foot may hit both pedals at the same time just before coming to a stop, causing an unintended sudden acceleration. This is a significant safety issue for the driver, occupants, pedestrians and other vehicles or items in the path of the car. I have has 4 such incidents, one involving a rear end bump. The Hyundai dealer inspected the car for sudden acceleration and found nothing and dismissed the concern. Hyundai custom,er care representative erin thompson stated " I did not design the car, it operates as designed and there is nothing I can do for you". Further, she stated "I will not say it again" when I tried to offer clarification of the issue. I believe this problem is a fundamental design defect in the car and violates the implied warranty of freedom of design and manufacturing defects and fitness of purpose. It may also not meet federal specifications for ergonomic considerations. Can you help? thank you.

17 Car Accelerates On Its Own problem of the 2006 Hyundai Sonata

Failure Date: 01/04/2017

The contact owns a 2006 Hyundai Sonata. After the vehicle was shifted into reverse and the brake pedal was depressed, it experienced unintended accelerated. The contact stated that the vehicle did three rotations before crashing into three vehicles. A police report was filed and there were no injuries. The failure occurred without warning. The vehicle was towed to an independent mechanic. The manufacturer was not notified of the failure. The failure mileage was approximately 25,000.

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18 Car Accelerates On Its Own problem of the 2012 Hyundai Sonata

Failure Date: 12/18/2016

The contact owns a 2012 Hyundai Sonata. After the contact's foot was removed from the brake pedal, the vehicle experienced unintended acceleration that resulted in a front end collision. The air bags did not deploy. The vehicle was towed to the dealer. A police report was not filed and there were no injuries. The manufacturer was notified. The failure mileage was approximately 25,656.

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19 Car Accelerates On Its Own problem of the 2009 Hyundai Sonata

Failure Date: 10/08/2016

On 10/08/2009 my 209 Hyundai Sonata went into an unintended acceleration. As soon as I put the car into drive it began to accelerate. The brakes did not work and I was able to shift into neutral. I was on a narrow dirt road with little limited options as to where to steer the vehicle. I missed a boulder, garage, and tree before hitting the side of a house. The ambulance was called and I was transported to the local emergency room. I had a concussion, fractured knee along with a number of bruises and abrasions. The emts told me how lucky if was since the air bags did not deploy. . An internet search, including your website, notes these problems going back several years. Toyota had the same problem and did a recall. My injuries will exceed the limit of my insurance and I will have to purchase a car. I know how lucky I was to walk away. I am sure others had more serious injuries and higher expenses. What does it take to force Hyundai to do the right thing?.

20 Car Accelerates On Its Own problem of the 2011 Hyundai Sonata

Failure Date: 09/27/2016

The contact owns a 2011 Hyundai Sonata. While driving 5 mph, the vehicle accelerated rapidly on its own, which almost caused a crash. The vehicle was taken to be repaired. The manufacturer was made aware of the issue. The failure mileage was 93,000.

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21 Car Accelerates On Its Own problem of the 2012 Hyundai Sonata

Failure Date: 03/30/2016

Car could not start without pressing acceleration pedal this morning (03/30/2016). After pressing acc pedal and turning the key engine started. It repeated the same way when car was started going to home. Although, it took much longer to start the engine. Drove home and then took kid to soccer practice. On traffic light, when green light was on, I was turning right but car suddenly accelerated without control. I moved gear to neutral and rpm piked to at 2500. I have a video of it after I stopped on red light. Car has 71086 miles and is in "prefect" condition. Check engine light was on for couple of days but there was no mil code present. After I turned the engine off and then on, check engine light went off and no codes were present, not even pending ones.

22 Car Accelerates On Its Own problem of the 2015 Hyundai Sonata

Failure Date: 02/25/2016

I was parking my 2015 Hyundai Sonata turbo sport in a strip mall parking lot. I pulled into the space and, before getting in all the way, the car suddenly accelerated to a high speed, jumped the concrete curb and slammed into a concrete wall. The air bag did not deploy and my chest hit the steering wheel and my head whipped back so I now have headaches, neck and back pain. The front bumper was damaged with marks from the concrete and though it remained on the car, it was dislodged. There was also some damage around the front headlights and the rubber part of the undercarriage.

23 Car Accelerates On Its Own problem of the 2012 Hyundai Sonata

Failure Date: 01/01/2016

Email letter from consumer to the administrator re Hyundai's flouting of their agreement with NHTSA by refusing to honor the Sonata recall for sudden unintended acceleration. The consumer had placed the vehicle into park, with her foot firmly on the brake, when suddenly the vehicle violently lurched forward at significant speed and hit and broke a split-rail fence and post.

24 Car Accelerates On Its Own problem of the 2013 Hyundai Sonata

Failure Date: 06/23/2015

The contact owns a 2013 Hyundai Sonata. While the vehicle was at a stop, the rpms increased and the vehicle unintentionally surged forward. The contact had to apply force to the brake pedal and shifted the gears into park. The contact had to turn the vehicle off to reset the computer and prevent the unintended acceleration. The vehicle was taken to an independent mechanic who was unable to replicate and diagnose the failure. The vehicle was not repaired. The approximate failure mileage was 16,000.

25 Car Accelerates On Its Own problem of the 2012 Hyundai Sonata

Failure Date: 05/18/2015

The contact owns a 2012 Hyundai Sonata. While driving approximately 5 mph, the vehicle accelerated when the brake pedal was depressed. As a result, the vehicle crashed into a pole. The vehicle was towed to the dealer, but the failure was unable to be duplicated or diagnosed. On a separate occasion, the failure recurred and the vehicle sideswiped a tree. There were no injuries in either crash nor were police reports filed. The unintended acceleration recurred sporadically. The manufacturer was notified of the failures. The approximate failure mileage was 53,000.

26 Car Accelerates On Its Own problem of the 2013 Hyundai Sonata

Failure Date: 10/19/2014

2013 Hyundai Sonata. While in park, the vehicle begin to accelerate over the curb and into a grassy area. The consumer stated while his wife was attempting to park, with the vehicle still in gear, the engine suddenly and unexpectedly accelerated causing the vehicle to jump the curb.

27 Car Accelerates On Its Own problem of the 2012 Hyundai Sonata

Failure Date: 09/01/2014

Car accelerated suddenly and could not be stopped. I was in a parking lot and backed up to leave, accidentally hitting a storage container with my rear bumper. I put car in drive to move forward and the car accelerated out of control by itself traveling fast about 30 feet. I tried to brake but could not stop the car. We hit a fence, moving the fence about 5 feet and hit the car parked on the opposite side of the fence, smashing in the passenger side of the car. We had our seat belts on and were not injured but without seat belts we would have been thrown through the windshield. I do not feel safe driving this car anymore.

28 Car Accelerates On Its Own problem of the 2011 Hyundai Sonata

Failure Date: 03/30/2014

The contact owns a 2011 Hyundai Sonata. The contact stated while driving approximately 55 mph the active air flap warning light illuminated. The contact mentioned that the engine rpms increased excessively and the vehicle would suddenly accelerated intermittently. The vehicle was taken to a dealer where it was diagnosed that the active air flap sensor needed to be replaced. The manufacturer was notified of the failure. The vehicle was not repaired. The approximate failure and current mileage was 70,000.

29 Car Accelerates On Its Own problem of the 2012 Hyundai Sonata

Failure Date: 01/29/2014

Unintended acceleration, had to slam on brakes and put car into neutral in order to prevent shooting into a intersection of oncoming traffic. The car immediately threw a number of codes, and a engine control system condition code, check engine code. . . . Dealer tells me when unloaded off the tow-truck that the brake pedal went to the floor, after 6 days of having the car the dealership service manager is telling me no problem could be found due to not being able to reproduce the problem.

30 Car Accelerates On Its Own problem of the 2012 Hyundai Sonata

Failure Date: 01/11/2014

I had just pulled into a small rural parking lot and parked facing a wood fence in the afternoon. I had my foot on the brake and put the car into park. The car suddenly lurched forward about ten feet, knocking over a wood fence post and incurring $3,000 damage to the car. I still had my foot on the brake, and slammed it instantly as the car lurched. Fortunately, no person was walking along the sidewalk, and I had my seat belt in place. I insisted the car be towed to the nearest Hyundai dealer rather than to a local repair shop, since I wanted to find the cause of this acceleration malfunction. The dealer said they found nothing wrong, other than the front end damage. I insisted that Hyundai national send out an engineer to check the car. I have also found a report on the internet from kmov. Com news in st. Louis 2/28/13, that three local owners there experienced sudden unintended acceleration. The case detailed in the news report was exactly like my experience of sudden lurching acceleration from a parked position, but the Hyundai engineer reported nothing was wrong. However, our experience documents an unintended acceleration problem unrelated to driver error. I have told Hyundai that I will absolutely not continue to drive this car.

31 Car Accelerates On Its Own problem of the 2006 Hyundai Sonata

Failure Date: 08/02/2013

Tl- the contact owns a 2006 Hyundai Sonata. The contact stated that while driving approximately 55 mph, she approached a stop signal and the vehicle failed to respond to deceleration attempts. The emergency brake was applied in order to stop the vehicle. The contact also mentioned that intermittent erroneous acceleration was experienced. The failure progressed and became permanent. The vehicle was inspected by a certified mechanic who informed the contact that the failure was related to the speed control. The vehicle was not repaired. The manufacturer was not notified of the defect. The failure mileage was unavailable. Mah.

32 Car Accelerates On Its Own problem of the 2010 Hyundai Sonata

Failure Date: 07/25/2013

Tl - the contact owns a 2010 Hyundai Sonata. The contact stated that while driving approximately 5 mph, the engine rpms increased excessively as the vehicle suddenly accelerated without warning. The contact crashed into a building and the air bags did not deploy. The contact was not taken to the hospital. A police report was filed. The vehicle was towed to a dealer where the failure was unable to be replicated. The manufacturer was not made aware of the failure. The vehicle was destroyed. The approximate failure and current mileage was 59,870. Kmj.

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33 Car Accelerates On Its Own problem of the 2013 Hyundai Sonata

Failure Date: 05/17/2013

The contact owns a 2013 Hyundai Sonata. The contact stated that while driving approximately 10 mph, the engine rpms increased excessively as the vehicle suddenly accelerated. The vehicle was not taken to the dealer. The manufacturer was not made aware of the failure. The vehicle was not repaired. The approximate failure and current mileage was 3,000.

34 Car Accelerates On Its Own problem of the 2002 Hyundai Sonata

Failure Date: 05/03/2013

The contact owns a 2002 Hyundai Sonata. The contact stated that while braking, the vehicle suddenly accelerated without warning. The contact was unable to maneuver the vehicle when it then crashed and traveled up the side support wires for a telephone pole. The contact was not injured. The vehicle was not taken to the dealer. The manufacturer was made aware of the failure and hired a third-party agency to further inspect the vehicle to determine the cause of the failure. The manufacturer would not provide a cause for the failure to the contact. The vehicle was not repaired. The failure and current mileage was 200,000.

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35 Car Accelerates On Its Own problem of the 2004 Hyundai Sonata

Failure Date: 03/05/2013

Backing into the garage, my foot on brake, the engine suddenly revved to high rpm, the car shot backwards, propelling a heavy rubber mat on which the car is normally parked out of the garage and into the driveway. The vehicle then impacted and crashed through the rear garage wall before coming to a stop. I managed to pry the gear lever out of reverse, hit drive instead and sent the car, wheels still spinning and laying down rubber, forward out of the garage. On its way out the car swiped along the right side the garage door post before finally coming to a stop in the driveway. Final result, serious damage to both the car and the garage. Fortunately this did not occur in traffic or with pedestrians in the area. On-line research has since shown me that there have been numerous other similar incidents where Hyundai Sonatas have suddenly accelerated on their own. . Read more...

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Other Common Vehicle Speed Control related problems of Hyundai Sonata


Safety Ratings of Sonata Cars
Fuel Economy of Sonata Vehicles
Sonata Service Bulletins
Sonata Safety Recalls
Sonata Defect Investigations