2012 Hyundai Sonata acceleration & cruise control problems

Related recalls

No recalls on file.

What owners say

1. Filed Sep 29, 2024OKBrakesLightingAcceleration & Cruise Control

   The driver side seat belt wont click and stay in almost half the time i drive my car… after reading other complaints its looking like this is a common thing. Within the past year ive noticed lots of times that when im going to lock my car with my fob, it wont lock and its because the passenger side lock button on the inside of door is in a stuck between lock/unlock position… resulting in me having to lean over to manually unlock the door even when I’ve unlocked my car with…

   NHTSA complaint #11617074 · source
2. Filed Jul 19, 2024SCEngineAcceleration & Cruise ControlTransmission & Drivetrain

   The contact owns a 2012 Hyundai Sonata. The contact stated that while her daughter was driving at undisclosed speeds, the vehicle was jerking abnormally. The passenger's side front tire was extremely hot. The contact stated that the RPM increased to high, and the vehicle lost motive power while driving. The contact stated that while the accelerator pedal was depressed, the vehicle was slow to respond. There was an abnormal electrical burning odor detected. The vehicle was…

   NHTSA complaint #11603406 · source
3. Filed Aug 10, 202378,000 miMDTowedLightingAcceleration & Cruise Control

   The contact owns a 2012 Hyundai Sonata. The contact stated that while driving at 45 MPH, the the passengers side tail light failed. No warning light was illuminated. The vehicle was driven to the independent mechanic where it was diagnosed that the tail light needed to be replaced. The vehicle was repaired however the failure reoccurred and was taken back to the independent mechanic where they stated the harness had melted and advised that he go to the dealer. The vehicle…

   NHTSA complaint #11537679 · source
4. Filed Jan 31, 2023ALFuel, Hybrid & EV PropulsionAcceleration & Cruise ControlSteering

   Daughter was driving her car on interstate, doing 75, in the middle of traffic when the car would jerk and then loose power. The gas petal stopped working and the check engine light would come on. She had to make her way over to the shoulder, without causing an accident. Once car gets shut off and you wait a few minutes, you can start it and drive it home. This has happened about 4 times now. We are lucky that this hasn't caused an accident! This last time (yesterday), the…

   NHTSA complaint #11504671 · source
5. Filed Jan 9, 2023CAFuel, Hybrid & EV PropulsionAcceleration & Cruise Control

   When I start the vehicle in the morning I leave the neighborhood going around 15mph and the car loses power. I have to let off the gas completely then reapply but it still continues to studder. I applied the slapstick sift mode and noticed it does this in first and fourth gear. In automatic you can’t see it

   NHTSA complaint #11500793 · source
6. Filed Nov 24, 2022TXBrakesAcceleration & Cruise Control

   Driving on a freeway when check brake warning appeared. Car speed dropped down to drastically. Alarm was chirping and brakes made a bad grinding noise

   NHTSA complaint #11494823 · source
7. Filed Nov 18, 2022SDCrash1 injuredTowedBody & StructureOther / UnknownAcceleration & Cruise Control

   B pillar separated from the frame during collision causing catastrophic intrusion into the cabin upon impact leading to death of the driver. No other occupants in the vehicle. Multiple investigators noted the B pillar failure upon inspection. Independent, certified crash reconstruction expert also noticed immediately that the B pillar had failed which caused cabin intrusion to an extraordinary degree considering the 2 vehicles involved were going less than 40mph. Vehicle is…

   NHTSA complaint #11494128 · source
8. Filed Nov 7, 2022GABrakesEngineAcceleration & Cruise Control

   The car starts alarming out of nowhere while driving at 70 mph on the interstate and the Hybrid System Warning - Safely Stop and Do Not Drive along with the wrench, battery light and engine light all appearing on the dashboard to pull over and do not drive when this occurred I lost total control of the vehicle. The brake peddle goes all the way to the floor enabling me to stop and I lost the ability to steer the vehicle as the power steering went out as well while this was…

   NHTSA complaint #11492621 · source
9. Filed Oct 26, 2022NVAcceleration & Cruise Control

   Approx july 2022 My sonata began to malfunction, first the steering wheel buttons stopped working intermittently off and on unable to turn on and set cruise control, unable to use hands free phone options as well as unable to navigate cluster features, as the time goes on the problem gets worse and eventually do not function ever. I replaced the steering wheel buttons which fixed the issue temporarily only now the vehicle will engage cruise control, accelerate dramatically…

   NHTSA complaint #11490933 · source
10. Filed Sep 22, 2022MDEngineAcceleration & Cruise ControlSteering

    I purchased my 2012 Hyundai Sonata on 4-7-22. The car has had no mechanical work, no accidents and has less than 1000 miles. On 9-16-22 i was driving my car home and was less than five minutes away on the highway. My car began to decelerate, I attempted to stop at a red light but my car would not give me control and the brake was rock solid and would not push down. I also could not turn the car off via the start button as the car would not let me. My engine ESC light came on…

    NHTSA complaint #11485855 · source
11. Filed Jan 7, 2022CAElectrical SystemEngineAcceleration & Cruise Control

    After an oil change, my car started losing power at the gas and suddenly turned off on me while I was driving and never turned back on! When I tried turning my car back on my engine started smoking

    NHTSA complaint #11446690 · source
12. Filed Jan 4, 2022TXBrakesEngineAcceleration & Cruise Control

    After the recent recall repairs, the car started to intermittently getting a message on the dashboard saying ‘Hybrid System Warning - Safely stop and do not drive’ and ‘Check brakes’ and the brake lights came on with a loud chiming beep, the car would stop accelerating and would not go beyond 10 mph, also the breaks would fail to apply correctly and made a loud screeching sound when applied. It used to do have this issue without any warning, while driving or stopped at the…

    NHTSA complaint #11446145 · source

Source: U.S. National Highway Traffic Safety Administration (NHTSA) Office of Defects Investigation public data. Complaints are submitted by owners and are not verified by NHTSA or by us; a complaint does not prove a defect exists. View this vehicle on NHTSA.gov Methodology