Assist Problems of Hyundai Sonata

The dash warning "consider taking a break" fires off randomly. This is a distraction as when I'm in traffic, driving well within my lane, no sudden changes, it will alert and I look down as I assume there may be a more serious problem. It takes my attention from the road often. This feature cannot be disabled. I've contacted the manufacturer and the local dealership. The local dealership suggested that there is a way to do it but they cannot tell me as it could be a liability. I don't see how it would be a liability as it is me doing the disabling. If anything that could be corrected with a statement I'd need to click stating I know the added risk of disabling this or something. It's annoying and at worst, may cause an accident as it pulls the driver's attention from the road. I'm hesitant to let anyone else drive the vehicle as they may be less prepared for the warning and may cause confusion as they try to determine what it is.

Complaint 11667442 vehicle: 2024 Hyundai Sonata mileage: 20,000 (approx. ). Update summary: this update concerns the persistent, severe electronic stability control (esc) steering malfunction previously reported. Current status of issue: the esc steering defect remains unresolved. The vehicle was taken to an authorized Hyundai dealership on July 15, 2025, for re-diagnosis. The technician reported being unable to find any fault, despite the clear, dangerous, and recurring symptoms of steering control loss and near-collisions. The vehicle is still unsafe to operate due to this unaddressed safety hazard. Manufacturer's response: during this recent service visit, Hyundai continued to refuse to provide a loaner vehicle for the diagnostic and repair period. This refusal places the driver at extreme risk due to the necessity of driving a vehicle with a known, uncorrected safety defect that has already failed a previous recall repair (performed June 6, 2025, ro 41686321 ). Impact: the vehicle's safety is severely compromised. The persistent esc defect, combined with the manufacturer's inability to diagnose/repair it and refusal to provide safe alternative transportation, necessitates immediate intervention.

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Vehicle: 2024 Hyundai Sonata. Current mileage: 17,804 primary safety defect: electronic stability control (esc) steering malfunction the vehicle's esc system has a severe, intermittent malfunction causing unpredictable loss of steering control. This defect creates an extreme safety hazard. Occurrences include the vehicle veering unexpectedly towards highway medians and losing steering precision during turns and roundabouts, leading to multiple near-collision incidents. The vehicle is currently considered unsafe to operate. Relevant history: this esc concern was subject to a manufacturer recall. An authorized Hyundai dealership performed the "esc software logic update (24-01-065h-1)" on June 6, 2025. Despite this specific recall repair, the severe esc steering issue has persisted and recurred multiple times since that date, indicating a failure of the repair to permanently resolve the safety defect. Secondary safety defect: inaudible parking collision assistance the vehicle's parking collision assistance system is non-functional. Its audible warnings are inaudible and have never worked as designed since vehicle acquisition. This eliminates a critical safety feature intended to prevent low-speed parking collisions. Finally, the combination of a critical, recurring esc steering defect, unaddressed by a recall repair, and a continuously inaudible parking collision assistance system, renders this vehicle highly unsafe to drive. Immediate investigation and permanent resolution are required.

As I was driving my dashboard lit up with warning lights and audible alarms indicating that I should inspect my regen brake. Safety features such as lane departure, lane assist, blind spot indicator stopped functioning and my speedometer did not work. I stopped the car and looked behind the front wheels and nothing looked “unusual”. I restarted the car and all of the alarms went off again, leaving me without a speedometer or the safety features mentioned above. I scheduled an appointment with my dealership explaining what had happened. They did a diagnostic test and determined that it was a faulty e brake module that needed to be replaced but is on back order with no parts available in the us to order. Furthermore they do not know when a replacement is available. They reset the sensors so that my safety features were restored. This is the second time within a 14 months of purchasing the brand new vehicle that electrical systems have needed to be replaced. The first time was a faulty wiring harness located in the trunk area that the dealership had said “must have been damaged during installation at the factory”. Again-when I driving at highway speeds suddenly the alarms and warning lights were triggered-leaving me without the same safety features, speedometer and power steering/brakes. The dealership was able to replace the wiring harness and the problem seemed to be resolved until this latest incident.

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I first noticed an issue with the voice resignation which also is effecting the messages navigation phone and just recently the lane assist and radar. For 2 weeks I have tried to address this with Hyundai customer service with no proper response the dealer service I stating the computer head is at fault but they have no idea when they will get one from Hyundai. I know the service people will be keeping the car for week to resolve this since the whole dashboard will be removed. I was told a representative from hyundi will be contacting me on the 5th wich I doubt will happen because when I had a problem in April 2023 I was told the same thing I had the phone nearby all day and no one ever called and I am assuming the same will happen on the 5th. This is not a dealer or service dept issue it's a hyundi problem and I am reluctant to use any of the assisted driving or rely on the safety components that this car is individually installed with.

Unknown.

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I’m reaching out to report the troubles and functioning of my Hyundai Sonata 2022. I am the first owner and received the car January 7, 2022. The car started with a loud nose under the hood . That happened maybe four times. Then the car began to switch gears on its on. I would park the car and press p for park but the car would go to n instead . That happened about 20-30 times . Now the car is randomly switching gears while at stop lights. While at a pause the car automatically shuts off which is normal. Recently the car would be at a light and switch gears . I was at a light when the car shut down and went to d, n , and stayed in r. I had to cut my car off just for it to go to p and then d , all while the light was red. If I didn’t, I would have backed into the person behind me . The self driving is not accurate at all and the car does tries to play blue tooth and apple play at the same time . I’m reaching out because I’ve been to the dealership multiple time to have it checked out and they found nothing wrong. I will be making another appointment for this Friday, may 6, 2022. I need to know what is going to be done and how should I go about this if it is said that nothing is wrong once again .

The bluelink subscription service for my Hyundai Sonata includes a feature to see the diagnostic codes my car has or has had. Attached is a document with all of the dtcs my car has reported since I purchased it new in November of 2021. There are 15 stored codes (not active) but they are still concerning to me because they have appeared from before the car was built to about 1000 miles after I purchased it. 5 codes are for the lane keep assist system, 1 for the electronic stability control, 5 for Smart cruise control, and 4 for the tire pressure monitoring system. Three of the codes occurred after I purchased the vehicle with absolutely no warning or indication of any fault regarding the lkas system.

The driver seat belt pops out sometimes for reasons unknown. The speakers suddenly stop working at random times so I got lost while listening for navigation directions safely paying attention to the road instead of watching the screen for upcoming turns. And the biggest one, a few times I almost crashed into oncoming cars and guard rails because if the road has a dip the Sonata decides to jerk hard to the side and overcorrect itself when lane assist is on. When the road is level it just beeps annoyingly loudly when it can't see the lines or you accidentally cross over it, but does not actively assist even tho active lane assist is on. This is a major safety issue!!!!!.

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Made right hand turn passenger wheel cocked dead stop. When checked out was told sub frame rust apart on passenger side.

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Gases from the dashboard heating cause a film to form between the windshield and the camera. Because of this, in heavy direct sunlight, lane keep assist toggles on and off without warning causing unintended lane departures with out warning. Also, when using Smart cruise control, the vehicle slows to a stop but may continue moving slowly even after displaying the press gas to continue screen. The auto hold light does not illuminate.

Steering wheel sticks at about 6:00 position, it takes an extra effort to move the steering wheel to the left or right. While this is occurring I experience dangerous and excessive lane travel. I hear a faint crack coming from the steering column at about the 6:00 position and then it feels like the steering wheel is loosening up again. It seems this problem is worsening and happening more frequent as time goes on. I have had the vehicle to the Hyundai dealership to be looked at and they stated that they could find nothing wrong. This occurs both on the highway and while driving around town at all speeds. I have searched the internet for recalls associated with this problem, but no recall, but a lot of complaints on line from other Hyundai vehicle owners experiencing this same issue. I do not enjoy driving this vehicle with this steering problem occurring all the time.

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