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What 266 owners told NHTSA about the 2025 Hyundai Tucson Fuel Cell

These are the actual owner complaints behind this car’s reliability verdict, filed with the federal government, unedited. They’re unverified reports, not confirmed defects: read them as leads for your pre-purchase inspection, not a diagnosis.

All (266)Crash / fire / injury (39)Driver assistance (141)Electrical system (58)Brakes (37)Lights (15)Transmission & drivetrain (15)Speed control (13)Engine (12)Lane Departure (12)Body & structure (6)Seat belts (6)

1 of 266 complaints match · Transmission & drivetrain · crash/fire/injury only · clear filters

Jun 26, 2026Transmission & drivetrainElectrical systemCrash1 injury

The contact owns a 2025 Hyundai Tucson. The contact stated that while in reverse, several warning lights illuminated on the instrument panel, and the vehicle suddenly reversed without depressing the accelerator pedal and crashed into a light post. The air bags did not deploy. There were no injuries sustained. The contact sought medical attention after being overwhelmed by the experience. A Police report was not filed. The contact was able to drive the vehicle, and the vehicle was taken to the dealer, and the front-view camera was updated; however, the dealer was unable to determine the cause of the failure. The vehicle was taken to Imperial Body Shop to repair the body damage. After the software update was performed, the contact became aware that the vehicle failed to turn off immediately, and several attempts were needed to turn off the vehicle. On another occasion, the contact was able to turn off the vehicle; however, the engine continued to run. Several attempts were needed to turn off the vehicle. The manufacturer was made aware of the failure. The manufacturer opened a case for the failure. The failure mileage was approximately 7,500.

NHTSA ODI 11746736

Working with the data? Download all 266 complaints as CSV · fetched from NHTSA July 25, 2026

How to use these: a complaint is one owner’s report, filed voluntarily and published unverified. Patterns matter more than any single story. If several owners describe the same failure at similar mileage, put that system at the top of your pre-purchase inspection list. Back to the full 2025 Hyundai Tucson Fuel Cell verdict →