2024 Hyundai Santa Fe

3 times now, I am driving and the vehicle goes into limp mode, the "D" on the dash is flashing but the vehicle sends no codes. The tech said the vehicle can immediately delete the code and they can't fix it if they can't duplicate it. It also hesitates when accelerating and is dangerous to myself, my 4 children and anyone driving around me when it goes into limp mode. There is no code, therefore they say they can't do anything about it.

When the car is off and in park and you go to turn on the car on by pressing the brake and power button button, the electrical system doesn't register and wont turn the ignition on and the brake gets stuck and you cant start the car. The same thing happens when the cars auto ignition is turned off at a red light then you press the gas to go but it doesnt show the gear is in drive and the ignition turns off and wont turn back on. The major safety concern is when this happens at a red light or in traffic and my car stalls and I am at risk of getting rear ended. I have taken the car to the dealership twice now for the same issue. The first time they claimed it was fixed but it wasnt and now it is at the dealership again for the same issue and I have not received any remedy yet. There is no warning to this issue it happens out of know where and is extremely dangerous. The issue has been going on for several months.

The digital screens that contain the gauge cluster and infotainment array intermittently flicker, black out, or go to static. Sometimes it's one side or the other and sometimes it is both. When the gauge cluster screen is affected, the heads-up display on the windshield also turns off. All of this can happen while the vehicle is idle or while driving. Sometimes the displays flicker and sometimes they just black out or go to static for the entirety of the drive. It is available for inspection. The biggest safety concerns are the complete lack of a speedometer or warning lights when this problem occurs. The problem did not have to be reproduced by the dealer because the screens and the HUD were completely blacked out when the vehicle was taken in for service. The problem was supposedly "repaired" with an "update". The problem has since resurfaced. The vehicle was inspected by service center personnel at a Hyundai dealership. When asked, a representative of that dealership stated that the problem is common amongst all Hyundai models featuring digital displays. There was no warning of the problem. One day the problem did not exist and the next it did.

The vehicle experienced a significant failure of the Body Control Module (BCM). This resulted in multiple electrical malfunctions, including don't detected the Key, Despite the low mileage (12,000 miles), the electronic systems have proven unreliable, and the vehicle is currently undergoing warranty repairs at the dealership. "The sudden failure of electrical components could lead to a crash or leave the driver stranded in an unsafe location. I am concerned about the long-term reliability and safety of this vehicle’s electronic architecture." After arriving home and shifting the vehicle into 'Park', the car began to roll backward on its own. The vehicle continued to move until it struck my garage door. This incident occurred unexpectedly after the transmission was supposedly secured in Park. It was necessary to apply the brakes to make it stop. Although the physical damage was minor (scratches), this unintended movement represents a severe safety risk that could have resulted in a serious accident or injury." I've also noticed that it makes strange shifts in the transmission when going down a steep hill.

2024 Hyundai Santa Fe purchased new in May 2024. On three occasions since December 2025, while driving, the dashboard went completely black as if the vehicle shut off. The Hyundai startup logo then reappeared while the vehicle was still moving, and the vehicle lost acceleration. The most recent event occurred at highway speed, approximately 65-70 mph, requiring us to coast to the shoulder. No warning lights appeared before the event. A video of the most recent incident is available. Dealer inspected vehicle but could not duplicate the problem and reported no error codes.

-I had just exited from the highway and was driving into my town. While doing so, I had both hands on the steering wheel and suddenly the car started beeping and flashing warnings/ alerts indicating that my hands were not on the steering wheel, which they were. Within seconds the car began to deaccelerate and pull me off the road to my right hand side. I initially had no control over the vehicle. Then again- without explanation it began to register hands on the steering wheel and I was able to resume control of the vehicle. I believe the lane assist feature was on at the time. It all happened very quickly. Had I still been on the highway as I was moments before, there was enough traffic that I would have been pulled into another vehicle or caused an accident if people saw me suddenly rapidly deaccelerating/braking in front of them because they would have no warning and a very tiny amount of time to react. Then, in an other instance that followed shortly thereafter, my boyfriend was driving with one of the lane assist on. While driving, the weather changed and it began snowing and freezing rain that was freezing when it hit the windshield. The lane assist began to have trouble seeing the lines on the road since the snow and ice were obscuring them somewhat. It began to beep and gently correct the car- which was not appropriate in this case (we understand that the road conditions were beyond its abilities to safely discern things accurately). My boyfriend who had two hands on the wheel trying to carefully navigate this sudden burst of weather so at not to slide. He tried turning it off, but it wasn't turning off, and couldn't troubleshoot it without taking his hands off the wheel. He instructed me to turn it off through the settings menu in the infotainment system, which seemed to disable it. Prior to these dangerous problems, I had experienced some seemingly sensor- related malfunctions with the tire pressure monitoring system. I'm out of room to write more.

While driving my 2024 Hyundai Santa Fe, the vehicle experienced a complete dashboard and system blackout, as if the vehicle shut off and rebooted. This has occurred on two separate occasions. On one occasion, while stopped at a traffic light, the dashboard went completely black and restarted. After the system rebooted, the vehicle would not accelerate or move when the accelerator was pressed. I had to turn the vehicle off, restart it, and wait before it would drive again. The suspected malfunction involves the vehicle’s electrical/infotainment and related vehicle control systems. The vehicle is available for inspection upon request. My safety and the safety of others were put at risk because the vehicle lost critical dashboard information and temporarily lost the ability to accelerate while in traffic, creating the risk of being struck by other vehicles. The vehicle was inspected by an authorized Hyundai dealership (World Hyundai of Matteson). On December 23, 2025, I was informed by the dealer that a system/infotainment “glitch” had been identified and that a replacement part would be ordered. However, the part was never replaced. The dealer later stated that because the issue could not be duplicated during test drives (approximately 85 miles driven), the repair was not authorized. The dealer acknowledged the issue could not be reproduced on demand. The manufacturer (Hyundai) has not yet physically inspected the vehicle beyond dealership involvement. No police or insurance inspections occurred, as there was no crash. There were no warning lamps or messages prior to the failure. The failure occurred suddenly with a complete dashboard blackout and system restart. The first occurrence happened prior to December 23, 2025; the second occurred afterward. The issue is intermittent and unresolved. I am concerned that the defect must reoccur while driving in order to be repaired, posing an ongoing safety risk.

The contact owns a 2024 Hyundai Santa Fe. The contact stated that while driving at 5 MPH, the brake pedal was depressed; however, the vehicle failed to stop as intended. In addition, the contact stated that the Auto START/STOP feature was activated, and the vehicle stopped. The contact stated that the failure occurred while parking the vehicle in the driveway. The Auto START/STOP feature was activated before the vehicle crashed into the garage door. The contact stated that the failure had occurred twice. The contact stated that the second failure occurred while driving approximately 35 MPH, and the brake pedal was depressed; however, the vehicle failed to stop. The contact stated that the brake pedal was depressed to the floorboard and the vehicle stopped. The vehicle was taken to the dealer; however, the failure was not duplicated. The manufacturer was not made aware of the failure. The failure mileage was approximately 9,500.

I was riding on a suburban street and ran over a branch I did not see due to rain and darkness. I went back and looked at the incident and the branch did not seem like it was that big but I quickly lost power and my car stalled and I could not get it restarted. I later found out that that branch took out my hybrid battery connection under the car which rendered the car useless. It is a 5000 fix. I don't know why such an important part is exposed under the undercarriage of an AWD SUV. I was traveling at 27 MPH. If I had been on a highway it would have been very dangerous to have stalled out so fast. Once it was stalled the battery drained very fast from me running my hazards so that the tow truck driver had to jump it to get it to go from neutral to park and my parking brake is electric so I couldn't activate the parking brake either. I would also like to say that the headlights on this car are severely underpowered.

I tried to open the doors of my locked vehicle with the key fob and there was no response. I tried several times and nothing happened. I called AAA and they opened the door with my valet key and was able to pop the trunk. He checked the battery and it was working fine. He then noticed that the wire connecting the battery to the fuse box has melted at the point of contract with the fuse box and actually melted part of the plastic fuse box. There was nothing he could do, so I had to have the car towed to the dealer. I was lucky that the total meltdown of the electrical system did not occur when I was driving or I would not have been able to see any of the controls on the inside of the auto and not be able to use the gear shift to put the car in park.