2026 Hyundai Tucson Hybrid Electrical system Problems

“My instrument cluster goes completely blank while driving the vehicle. It will also have every light come on when it does come back on all of the check engine lights, and every other diagnosis light comes on. It continues to do this while driving. I have already had the safety recall done and it is still failing.”

“While traveling the following have happened multiple times. It has already been serviced by the dealership who corrected all pending recalls and then informed me they could not replicate the problem. It has now happened since the vehicle was returned to me. This morning while driving at freeway speeds. Multiple times Total HUD Failure: The Heads-Up Display (HUD) completely cuts power and turns off. …”

“I was traveling on the highway at approximately 75 mph, in TX with my wife, mother in law, and my two pets when the emergency breaking system triggered suddenly. There were no cars or obstacles in front of me. But there was a long line of vehicles, including 18 wheelers right behind me. The vehicle went from about 75 mph to about 55 in less than a second or so it seemed. This was terrifying for everyone. I pulled up to a gas station and restarted the vehicle and it seemed to go back to normal. …”

“While driving on the turnpike, the driver seat moved backward. Both of my hadds were on the steeeringwheel during the entire time. The seat motor was clearly engaged in moving the seat. There was no coat, cloth, or any obstruction near the seat control switch. I tried to move the seat up, however the seat would not move up or back. About 20 minutes later I was able to move the seat forward with the switch. Then about 3O minutes later while traveling accross a large bridge, again the seat moved back on its's own with the seat motor clearly engaged. …”

“I purchased my vehicle from Ideal Hyundai on 04/23/26. On 06/22/26 (less than 2 months later), I was driving to work and the car started to lose power. The display said to check hybrid system and stop safely. After 10 minutes, I was able to drive the car 3 more miles to work. I took it to Ideal Hyundai the next day. I got the car back on 06/26/26 after they said they address the issue and the open recall. Two weeks later, on 07/23/26 I was driving home on a busy highway when the car began to lose power again. We were able to get to the side of the road but were still in a dangerous position. …”