2026 Hyundai Santa FE Hybrid Electrical system Problems

“My digital instrument cluster is intermittently going black and displaying 'Lost Signal' while driving. I took the vehicle in a month ago and they stated they could not replicate and this was not a known problem, that I would need to record the issue in a video.”

“Vehicle lost power and went into limp mode at highway speed on a busy interstate. I was able to get to the shoulder and limp to the next exit (would not exceed 30 mph) but I was lucky to be able to safely get there. The dealership said it was a battery issue? They acted like it was no big deal. To unexpectedly lose power at highway speed on a busy interstate was very frightening. (I had to negotiate several lanes to get on the shoulder). I also feel Hyundai is not taking it seriously. …”

“I was driving the hybrid vehicle uphill on a highway and there was traffic so we were driving under 5 mph for about 20 minutes. When speed picked up I went to accelerate and the vehicle, it never accelerated when I depressed the gas pedal, and stayed in electrical mode rather than switching over to gas. The vehicle then shut off in traffic and I could not pull over safely on congested two lane interstate 17 and I was afraid as vehicles were swerving and driving past and we could not get out safely. The check hybrid system, Stop safely warning came on the dash. …”

“This is the SECOND occurrence in the past two weeks. I was traveling on a HEAVILY trafficked 10 lane divided interstate, doing the speed limit on cruise control when the vehicle suddenly and inexplicably lost power. It went into limp mode (will not go over 30 mph). Thankfully i was able to negotiate to the shoulder but the maneuver was EXTREMLY dangerous as the rest of traffic was moving between 60 and 80 mph. It was harrowing and extremely frightening. Warning lights that were displayed- First, a Check hybrid system message appears. Accompanied by SEVERAL other warning lights. …”

“1.Fuel did not activate on this hybrid while in stop and go traffic when apparently the battery died. There was plenty of gas in this brand new car. The entire car died, gas pedal inactive, on the freeway just when traffic opened up with red car/exclamation point indicator on dash. After power cycle car Its message said something like “pull over and charge car in park”. We were close to shoulder so were able to do as instructed. 2. Car died suddenly in freeway traffic w 4 passengers inside. Could have been rear ended. …”