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What 49 owners told NHTSA about the 2026 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 (49)Crash / fire / injury (15)Driver assistance (29)Brakes (14)Electrical system (6)Lane Departure (2)Lights (2)Backup camera & sensors (1)Body & structure (1)Engine (1)Fuel system (1)Speed control (1)

1 of 49 complaints match · Backup camera & sensors · clear filters

Jul 23, 2026BrakesBackup camera & sensorsDriver assistance

First time it happened I was driving on the freeway from [XXX] to [XXX]. The car did an instant jerk stop ON THE FREEWAY!! I thought my granddaughter touched something but then it did it again when I was driving by myself. So I took the car in for the recall that came out for this issue and the day after that as I parked into an In-N-Out parking space my collision light came on warning me that there was a collision ahead. I was in a parking space so in that moment, I kind of let it go. Has done it a few times in local traffic. Fast forward to yesterday XXX It was way more serious. I was doing a U-turn and my car jerked. Stop the car behind me almost hit me and I was stopped in oncoming traffic. It released and I got to move so I didn’t wreck, but it scared me. I was very shaken. This is now happened a few times and I have already done the recall at this point I feel very unsafe uncomfortable driving the car and feel like I need a refund full refund. I am now afraid to drive it. It’s gonna kill one of us. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

NHTSA ODI 11752547

Working with the data? Download all 49 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 2026 Hyundai Tucson Fuel Cell verdict →