Hyundai Tucson lane assist problems

Filed Aug 17, 2026 · Driver assistance · AZ

I always have the Forward Attention Warning turned off in Vehicle Settings. This past week, 8/13/2026, while on the freeway I was doing the speed limit which was 70 mph. I had the Cruise Control turned on as well as the Lane Assist. While briefly changing the map setting on the display and not looking forward I got the warning “Eyes on the road, Hands on the wheel”. I got that warning twice within a minute. I was in the middle lane of a 3 lane freeway with fairly heavy traffic. All of a sudden there was loud beeping and the flashing red message “Take Control Now, Vehicle Stopping” The cruise control disengaged and the brakes were applied. My speed dropped from 70 down to 55 before I was able to regain control. Two minutes lather the exact same thing happened for a second time. Needless to say the traffic behind me also had to brake to avoid hitting my car! I have done some further testing and discovered while the Cruise Control is turned on the infrared camera behind the steering wheel is always active, regardless of what I have selected in Settings. If the Cruise is not turned on then the infrared camera will not function unless it is has been turned on in Vehicle Settings. I was very lucky that I didn’t cause an accident. Sooner or later someone isn’t going to be as lucky. The Forward Attention Warning System needs to be removed as a “Safety” feature. It is an accident waiting to happen! Another question is what will the effect be on my eyes after hours of exposure to the infrared camera beams? Has that been evaluated from a health standpoint? I don’t see any positive benefits of having the infrared beams constantly beaming into my eyes for hours and hours on a long trip.

Filed Aug 2, 2026 · Driver assistance · PA

Unintentional and unexpected activation of emergency collision or adaptive cruise control, causing the vehicle to stop and become immobile in the lane of traffic. I was driving down the interstate with the adaptive cruse control on and the lane keeping assistance on. These both were on for about 20 minutes as I was driving down the highway. There were no vehicles in front of or behind me for a quarter mile or so. I as all alone with nothing around me. All of a sudden it seemed like the collision avoidance system activated. The car came to a complete stop in the right lane of the highway. I tried to proceed and could see the emergency brake was on, the engine was running the car was in drive but it would not move. Flipped on the hazard flashers and traffic caught up to me while sitting in the right lane of the highway waiting to get rear ended. Vehicles were barely getting by at 70 MPH. The car would I pressed the accelerator and the car move d forward enough to get off the highway, this took a minute or two. Once off he highway, I could see the emergency brake would not release. I turned the engine off went out to inspect all the forward sensors. There was no visible issue. I restarted the car after a minute or so and it proceeded normally. That was Saturday, this is Sunday, I am taking the vehicle to Hundai tomorrow for inspection.

Filed Jul 29, 2026 · Driver assistance, Electrical · TX

On July 24, 2026, while driving on a marked city street with no vehicle, pedestrian, or obstruction ahead, the Forward Collision-Avoidance system on our 2022 Hyundai Tucson Limited AWD applied emergency braking on its own, three to four separate times, each lasting one to two seconds. Traffic behind us nearly struck our vehicle. My family was in the car. This is the latest event in a progressive electrical fault history. In June 2025, under warranty at 48,037 miles, a Hyundai dealer documented recurring multi-system warning cascades (forward safety, lane keeping, high beam assist, speed limit warning) and a failed auto start/stop system. The dealer's listed resolution was "battery voltage / replace battery"; their invoice records that no repair was performed. We replaced the battery at our own expense. The faults continued. In June 2026, the start/stop system shut the engine off at a red light and the vehicle would not restart, leaving us disabled in a live traffic lane. Power was only restored by cycling the hood release. Since then, TCM and ECU software updates and a battery harness replacement (our expense, approx. $1,200) have been performed. The faults persisted after these repairs and have now escalated to uncommanded emergency braking. Date- and time-stamped video and photographs exist for multiple events. Two Hyundai dealerships have not identified a root cause. Similar phantom braking reports exist from other owners of this model year. We no longer consider the vehicle safe to drive.

Filed May 27, 2026 · Driver assistance · NJ

Multiple warning lights on the dashboard, including SRS , tcs, ABS , all lights stay on even after turning the vehicle off. Systems don't work, such as lane departure, collision avoidance & ABS don't work. Spoke w/ koeppel hyundai, mentioned the issue, but was told that that isn't part of the recall, therefore they will not adress the issue. It's frustrating , don't feel safe driving the vehicle. Will take legal action if any accidents will happen due to an issue that the dealer is refusing the adress.

Filed May 21, 2026 · Driver assistance · FL

Forward collision assist is dangerous. It engages when not necessary and has almost caused several wrecks by slamming on the brakes. There needs to be a way to permanently disable and not have to pick through a series of menus every time. Also, lately I feel like I’m fighting the lane keep assist when I’m on the highway, and it tries to move when not necessary.

Filed May 17, 2026 · Driver assistance, Electrical · PA

On 5/14/2026, while driving southbound on I-95 with my pregnant wife and young daughter, my 2025 Hyundai Tucson (approx. 7,500 miles, purchased new 10/2025) experienced multiple critical safety failures. Two days prior, the heads-up display (HUD) intermittently failed to activate. On 5/14, traveling at 65-70 mph near [XXX] , the brakes auto-applied without driver input. Simultaneously, the instrument cluster and HUD went completely black, eliminating all speed and vehicle status information. This recurred intermittently. Near [XXX] , the brakes auto-applied with full force, locking all four tires and bringing the vehicle from approx. 70 mph to a complete stop on the active interstate. Two trailing vehicles spun out and left the travel lane to avoid rear-ending us. A multi-car pileup was narrowly avoided. The vehicle was taken to Pearson Hyundai in Midlothian, VA. They diagnosed and replaced a faulty wiring harness. Immediately after the repair, driving northbound on I-95 back to [XXX] (5/16), the lane keep assist/lane departure system began pulling the steering wheel into the adjacent lane without driver input, repeatedly and unpredictably at highway speed. The dealer repair did not resolve the all defects. Within a three days this vehicle exhibited: (1) total instrument cluster/HUD failure, (2) uncommanded emergency braking at 70 mph causing two other vehicles to take evasive action (3) uncommanded steering input into an adjacent lane. These failures created immediate risk of serious injury or death. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

Filed Nov 17, 2025 · GA

The screen display in front of the driver showing speed, gas level, warning signals, traffic lane departure alerts goes blank and flashes on and off. Sometimes no screen at all for miles. At times all warning signals are lit up for many miles. This is an ongoing problem that has not been fixed over 3 visits soon to be 4.

Filed Oct 1, 2025 · Driver assistance, Electrical · FL

Control screen keeps going randomly blank, for different periods of time, putting the driver at risk, because the vehicle information, including speed, lights, wipers, basically everything is displayed in this screen. Sometimes the sentence NO SIGNAL shows up. I had experienced several scary situations, specially in freeways when raining, you have zero driving information. The car has been to the dealership service 4 times, with different tentatives of repair, none of which worked. The last time my car was at the dealership service for 25 days and after 2 days the problem was back, even worse. Sometimes all the lights of the control screen light up, with no reason and keep on even after the car is turned off. This is our only car and we need it, but the car is absolutely unsafe and unreliable. I refuse to leave the car for a 5th time, Hyundai has no idea what the issue is and obviously cannot fix it. The lane assist is also malfunctioning, sometimes the warning system doesn’t work properly. Twice the car emergency brakes stopped the car abruptly without a reason to do so (no risk of collision, no car or object in front ). One of those times the car behind me almost hit me, because the stop was abrupt and for no reason. I have many videos and pictures, but apparently I cannot upload the videos in this form. I have the paperwork, but Hyundai refused to refund for the vehicle. I highly recommend an investigation, Hyundai is getting away with a very serious problem and someone will get hurt as a result of these issues. Thank you for the attention.

Filed Jun 5, 2025 · SC

Consider taking a break (coffee cup icon) continues to notify even if vehicle is correctly in lane. MAJOR DISTRACTION, have to constantly check instrument cluster. Even with lane assist OFF, issue still continues.Hyundai needs to upgrade software. On 2025 Tuscon sel model no way to turn notification off. On a 6 hour trip,notification went off every 4-5 minutes on interstate driving.

Filed Jan 11, 2025 · Airbags, Brakes · IL

Purchased a brand new 2022 tucson. Within 2 months it went to the dealer with about 7 dash fault lights turning on (abs, Air bag, lane assist, check engine, just to name a few) and breaks engage on their own. Stayed at the dealership for over 2 months while they had the Hyundai engineers try to figure out the issue. They gave it back to me and said it was a connector in the rear door. The vehicle has been back 4 times for the same exact issues for months at a time and they keep experimenting and giving it back to me. I tried to get it exchanged for a safer one and they denied my request. I guess my families safety isn't that important to hyundai after all.