Hyundai Sonata

Engine / Short block assembly / Connecting rod bearing seizure. The engine suffered a sudden, catastrophic seizure while I was actively driving on a steep incline mountain road with a cliff on one side and forest on other. The vehicle experienced an immediate, total loss of motive power, forcing an emergency maneuver onto the shoulder in 5 seconds with no power steering or power brakes, creating an extreme collision hazard on a high-speed incline. The rod bearing melted due to a manufacture…

The vehicle experiences sudden, complete electrical power loss while driving at speed on highways and city streets or on the parking. All digital displays turn off, the engine shuts down, and power-assisted steering and braking are instantly lost without prior warning, presenting an extreme collision risk. The issue first occurred in August 2025 at approximately 48,000 miles and was taken to an authorized Hyundai dealer in Michigan for warranty repair. The dealer held the vehicle for over 30…

Vehicle stalled in traffic due to recall defect. Manufacturer recall remedy is delayed beyond reasonable timeframe, creating ongoing safety exposure.

The Hybrid system kept crashing ! Triggering the auto theft and would not connect to fob , told it was immobilzer, and/or shortage in EV battery!!!

RECALL REMEDY FAILURE AND MANUFACTURER COERCION My Certified Pre-Owned 2022 Hyundai Sonata Limited has been held completely out of service at an authorized Hyundai facility since June 2, 2026, due to severe fuel tank expansion under active NHTSA Safety Recall 25V-796 (Hyundai Campaign 286).The dealership confirmed that the defective expanding plastic fuel tank ballooned with enough force to structurally warp and buckle the unibody center floor pan and frame rails. Rather than providing a…

The contact owns a 2021 Hyundai Sonata. The contact stated that while driving at an undisclosed speed, the fuel gauge indicated that the tank was half full. The contact stated that the gauge erroneously indicated that the tank was empty, and the check engine warning light was illuminated. The vehicle was driven to the gas station, and while attempting to refuel the vehicle, the fuel did not go into the tank. The vehicle was towed to the residence. The vehicle was later towed to the dealer,…

Going down the road driving the car lost power and went in limp mode with no warnings on the dash at all!

This vehicle is subject to a known Theta II connecting rod bearing defect (Recall 162 / KSDS) and a related class action settlement. On October 2, 2025, the vehicle stalled while entering the highway. It was taken to Ken Garff Hyundai Surprise, and the following day, October 3, 2025, it entered engine protection mode (limp mode) during the dealership's own test drive, the exact behavior the Knock Sensor Detection System is designed to trigger for connecting rod bearing wear. The dealership's…

The contact owns a 2012 Hyundai Sonata. The contact stated that while driving at 30 MPH, the check engine warning light illuminated, the engine started knocking, and smoke emitted from under the hood. The contact decelerated to approximately 15 MPH and drove to her nearby residence. Upon inspection, the contact observed green fluid under the hood. The vehicle was towed to an independent mechanic, where it was diagnosed that the engine had failed and the head gasket was blown. The mechanic…

I was traveling along [XXX]. This is a dangerous road it has hills and curves. I was driving my 2024 Hyundai Sonata, where all of a sudden headlights went off and the infotainment center went off I couldn’t see anything on the road. Luckily I was right by a gas station (Circle K). This isn’t the first time this has happened with this car. Three different times, I was on the express way and almost crashed because the exterior lights and headlights shut off while driving.I couldn’t see a thing…