2009 Hyundai Sonata Complaints

  • Electrical System, engine 08/23/2025

    Oil Leak on Alternator Engine leaking oil from the front cylinder bank’s valve cover or from the valve cover’s gasket onto the alternator. An unknown amount of oil damaged the alternator resulting in illumination of the charging system warning lamp and disablement of the charging system. If the vehicle is continually driven with a disabled charging system, the engine can shut off, increasing the risk of a crash.

  • Service Brakes 05/30/2025

    Brake Calipers are getting stuck often damaging the rotors and pads. This happens even for new calipers and rotors that won't last more than one year after replacement. The parts were original from manufacturer. The rear and front brakes were randomly getting stuck on one wheel after a period of using brakes. This put the vehicle in danger of getting fire from overheating rotors or increasing the risk of a crash because of an unusable brake system. This incident has repeated over time from 2017 till 2025 inducing big spendings for fixing brakes

  • Air Bags 02/19/2025

    The contact owned a 2009 Hyundai Sonata. The contact stated that while his daughter was driving at 45 MPH, the vehicle was turning the corner. It was unknown if any warning lights were illuminated. As a result, the vehicle was T-boned by a vehicle that was turning the corner, then crashed and the vehicle came to a stop at an unknown location. Most of the impact was received from the front passenger side. The other divers speed was unknown. None of the air bags deployed. The contact suffered injuries to the head and the lungs when she impacted the steering wheel. The contact was taken to the hospital by an ambulance. The contact's daughter was in a coma and had brain trauma and a punctured lung. A police report was filed. The vehicle was towed to a tow yard. The other vehicle owner was injured as well, the extent of his injuries was unknown. There was no property damage. The manufacturer was not made aware of the failure. The failure mileage was 140,000.

  • Unknown Or Other 08/01/2024

    Excessively cracked dashboard. The entire dash in my 2009 Hyundai Sonata is cracked and a replacement has been denied by Hyundai USA. A cracked dashboard could cause reduced structural integrity. The dashboard is a structural component designed to help absorb and distribute some of the forces in a collision. Cracks can compromise this ability to perform this function potentially increasing the force experienced by the occupants and the and other parts of the vehicle. It can also cause increased risk of debris and shrapnel. During a collision the cracked dashboard may break apart more easily causing sharp or jagged pieces to become projectiles inside of the cabin these fragments can pose a serious injury risk to occupants. It can also result in an impaired airbag deployment. Many vehicles have airbags in the dashboard a severely cracked dashboard could obstruct or improperly deploy airbags for example the air bag may not fully deploy reducing its effectiveness and the dashboard may pun...

  • Steering 12/10/2024

    The contact owns a 2009 Hyundai Sonata. The contact stated while driving approximately 30 MPH, the steering wheel suddenly became stiff and failed to turn in either direction. No warning light was illuminated. The contact stated that an appointment was scheduled with the dealer to inspect the vehicle. The vehicle was not yet diagnosed or repaired. Upon further investigation, the contact related the failure to NHTSA Campaign Number: 10V426000 (Steering); however, the VIN was not included. The manufacturer was notified of the failure. The failure mileage was approximately 151,000.

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