2021 Hyundai Palisade Electrical System Problems

The engine oil system failed due to a persistent oil leak that was present from the time of purchase on December 16th 2024. The vehicle is available for inspection upon request and is currently immobile due to a completely seized engine. My safety was put at serious risk because the vehicle has no functioning low oil warning indicator to alert the driver of critically low oil levels. I was driving this vehicle regularly for work with no indication whatsoever that the engine was losing oil. A seized engine can cause sudden and complete loss of vehicle control which puts not only the driver but other drivers and pedestrians at risk. This failure occurred without any warning while the vehicle was in regular use. The oil leak was brought to the selling dealership, Auto Merchants Inc. in Plano Texas, for repair on January 6th 2026. They kept the vehicle overnight and confirmed it was fixed. The problem was not resolved as the vehicle continued losing oil. On March 3rd 2026 I discovered the engine was completely empty and added 6 full quarts of oil with no warning light appearing. I also contacted Hyundai consumer affairs and the Hyundai dealership directly who confirmed the manufacturer warranty had already expired at the time of purchase on December 16th 2024 and declined to cover the repair. The vehicle has not yet been formally inspected by the manufacturer or insurance representatives. The dealership serviced it on January 6th 2026 and claimed the leak was repaired however the engine seized on April 20th 2026 due to continued oil loss. There were zero warning lamps or indicators of any kind prior to the engine seizing completely on April 20th 2026. No low oil warning light appeared at any point during the 4 months I owned this vehicle despite the engine running completely out of oil on three separate occasions. The only symptom prior to full engine seizure was the vehicle sputtering when coming to a stop on April 19th 2026, one day before the engine seized completely

When I push on the brake the car starts to tug. Feels like it wants to turn off. Happened several times after I got a recall checked. 2 weeks ago same thing was happening and my car all of a sudden turns off. The lights on the dashboard turned on and the emergency brake engaged. I was able to turn the car back in after 3 tries. 6 days later I was driving 50mph and my car suddenly changes shifts on its own. It changed to neutral and then my car shuts off and again the dashboard lights turn on and the emergency brake engages. Again turned on after 3 times. Now the dealership is telling me that its my injectors. And that I had 10% fluid in my gas tank. That will not cause my car to shift gears and 10% is an excessive amount that would mess my car up

A week or so after taking the car in for an oil change, I was on the highway and heard a rattling sound coming from the engine. There were no indicator or warning lights from the dashboard. The car then stopped accelerating. It was on, and the accelerator increased the RPMs but the car did not move faster. I safely got home and checked the oil and it had less than a quart. There were no low-oil indicator lights telling me the oil was low. Separately, this week, while driving in the city, the engine again started making rattling sounds and completely shut off forcing me to pull off the road. Again, prior to the shut off there were no indicator lights. I was able to pull to the side of the road safely. I tried to restart the car and it would idle roughly befor the engine shut off again. After waiting 30 minutes, I checked the oil to see if the previous cause was the culprit, but this time the oil was still full. After 45 minutes, I was able to restart the car and drive home. I researched the issue and there are many complaints on Reddit about this for this make and model. Since the issue is intermittent and can't be replicated at the dealership, there is no fix offered. I no longer trust or feel safe driving this car, especially on highways.

While the vehicle was off and in my garage, the vehicle started on its own and was idling at an extremely high RPM. I was the only person home, the keys were out of reach on a key rack and had not been driven yet for the day. I walked into the garage and found my vehicles engine running at a high RPM and all the electrical displays within the vehicle were compleltely off with only the engine running. I retrieved my keys and my only thought was to start the car, which I did which then brought the RPM down to standard idle. I am extremely concerned as a vehicle idling in an eclosed garage poses extremely high risk to Carbon Monoxide.

The contact owns a 2021 Hyundai Palisade. The contact stated that while driving at an undisclosed speed, the child in the second-row seat became trapped after the seat belt seized. The seat belt was cut to free the child. Additionally, the contact reported that the infotainment system was inoperable, failed to power on, and malfunctioned while driving, preventing the use of hands-free feature. The dealer was notified of the failure. The vehicle was not repaired. The manufacturer was notified of the failure. The failure mileage was 148,000.

The contact owns a 2021 Hyundai Palisade. The contact stated that on three separate occasions while driving 40 MPH, the vehicle lost power steering assist functionality. Several warning lights were illuminated, and the headlights and turn signals became inoperable. The contact stopped the vehicle and shifted into reverse (R); however, the rear-view camera failed to operate as intended. The vehicle was taken to the residence, but was not diagnosed or repaired. The manufacturer was notified of the failure. The failure mileage was approximately 63,400.

The contact owns a 2021 Hyundai Palisade. The contact stated that while attempting to park, the rear parking sensor became inoperable, and a message was displayed on the instrument panel. The contact stated that no audible alert was heard while reversing. The vehicle was taken to the dealer, where it was diagnosed, and determined that the rear parking sensor wiring harness had failed and needed to be replaced. The vehicle was not repaired. The manufacturer was not made aware of the failure. The failure mileage was approximately 41,000

The sunroof failed to totally open or close after an initial engagement. Further inspection revealed the sunroof wind deflector frame slides and shoes were broken, and cables were loose and out of position. Keep in mind, the sunroof has been used only a handful of times. After doing some research and learning Palisades had a history of exploding sunroofs, I worried that continuing to drive the car in a compromised condition (even a covered film to keep wind and rain out) would trigger the sunroof to do the same, putting my grandchildren in danger. After taking it to the dealer and having them confirm a TSB issued by Hyundai to address this very issue, I also learned it would not be a covered expense. Repair would run 3,000, a hefty consumer expense for a recognized flaw and safety hazard by the manufacturer.

My sunroof was working perfectly fine a month ago. I opened it while i was driving to get some air 10/28/2025 and heard a cracking noise. I immediately stopped it. The glass was off the track and it would not close. It only opens a little then stops. Took it to Hyundai dealership and they said in their report"the tracks are cracked, glass came off the track and tracks are warped." This is going to cost me 3k and this was clearly a malfunction of the vehicle!!

When turning on the child safety locks, the doors repeat a clicking sound for a few minutes sounding as if the doors are locking. After the noise stops, the dashboard shows the message "child safety lock failure". My small child has been winding the window down since I cannot lock the windows and doors properly. I am afraid she will get a body part caught in the window or open the door while driving.

In January 2025, during snowy weather, the windshield wipers on my 2021 Hyundai Palisade failed mid-operation and began making a buzzing noise. After 3–4 uses, they locked up and stopped functioning, causing a serious visibility issue. This occurred while driving, putting my safety at risk. This symptom directly matches NHTSA Recall 23V-180 / Hyundai Campaign 243, which I was told had already been addressed by the dealership I purchased from (Fitzgerald Hyundai in Gaithersburg, MD). I bought the vehicle used in April 2023, around the time this recall was active. I brought the vehicle back to that dealership in May 2025. They confirmed the wiper motors appeared to be binding and recommended replacement. However, they claimed the issue was not related to the recall and charged me a diagnostic fee of $209. Their service summary matches the defect described in the recall. I believe the recall fix was either never performed properly or did not actually resolve the underlying issue. This appears to be a recurring safety defect that puts drivers at continued risk.

Child Safety Lock Failure notice - both parked or driving, I will hear a clicking noise coming from the doors. Sometimes I will receive a Child Safety Lock Failure error message on the dash. This would sporadically continue to happen while driving and even if my vehicle is parked and off and I happen to do something like open the doors. The vehicle has been serviced numerous times by Hyundai dealership and the door actuators have been replaced but the problem persists.

The hydraulic lifts for the tailgate are failing. They crack open and the pressurized spring can be ejected while driving. Per multiple Palisade forms this seems to be come and most state that their dealer said it was a known problem. Some people have reported multiple failures with the lifts even when the part is replaced. The lift can also collapse when hydraulics break. [XXX] [XXX] [XXX] [XXX] [XXX] INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

The child lock function malfunctions after engaged. Persistent clicking and doors are able to be opened while in the lock engage position. I travel with children so their safety is at risk with this malfunction. No lamp messages or warning signs are displayed. I’m taking back to the CarMax dealer today as I just purchased this car less than 24 hours ago.

The sunroof on the vehicle has completely broken with minimal use the vehicle is a 2021 and only one owner. This is an ongoing issue with the vehicle type and Hyundai is not covering the cost of repair. It is causing a significant hardship for vehicle use and the cost or repair is in the thousands. I am not the only vehicle owner that is having this issue and Hyundai needs to take accountability for this.

If you have the child locks engaged on the driver side door controls, the back locks will continuously click as if they are trying to lock/unlock. This can happen when opening the locks with the fob, or randomly while driving. There are multiple reports of this issue on online forums such as Reddit, [XXX] , etc. This should be considered as a known safety issue with the potential to impact the health and wellbeing of children riding in the back of Hyundai models, yet no recall is in place to address it. Multiple owners have reported dealing with Hyundai dealerships on this issue at this time, not sure why Hyundai is dragging their feet in addressing this obvious safety concern??? INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

The child safety door lock system is malfunctioning. While driving or approaching the vehicle with the keyfob, all door locks will cycle repeatedly and randomly. After a minute or so of cycling, the dash will illuminate that the child safety door lock system has failed. The light on the child lock button on the door will remain illuminated; however, the rear doors can be opened, including while driving. This is a significant safety issue for those with children in the back seat. Dealer hasn't been helpful. Issue can be repeated by cycling the child lock button on the door.

Car door locks will begin clicking randomly on all doors when either approaching the car with the key fob or when driving. Clicking will continue for a good minute before a Child Safety Lock failure message appears on the dash. Message only stays up for two seconds before going away. Searching forums, this seems to be a common issue and should be a recall. Dealership hasn’t been able to help but forums say the issue can be recreated by quickly cycling the child door safety lock switch.

2021 Hyundai Palisade 30, 000 miles while driving started having a random clicking noise coming from the doors and a relay clicking noise coming from under the glove box followed by a Child Safety Lock Failure error message on the instrument cluster. This would sporadically continue to happen while driving as well as upon approaching vehicle. I have two small toddlers that I am truly concerned about. So far Hyundai has replaced 2 door latches and the Child Safety Lock Switch to no avail because the issue is still ongoing.

The passenger side rear view mirror stop auto tilting when in reverse, even with the switch in left or right position. I also cannot manually adjust said mirror up or down, only left and right. At one point said mirror tilted downwards when reverse selected and never came back up. At first the issue seem intermittent, but now it doesn’t work at all.