2020 Hyundai Elantra: lane keeping assist jerks the wheel

Filed Aug 18, 2026 · Driver assistance · CA

Logic board failure part number 99211-F2000 leading to inoperable lane keeping assist and forward collision avoidance.

Filed Jul 3, 2026 · Driver assistance, Electrical · TX

I have a 2020 Hyundai Elantra Limited that was purchased new in December of 2020, has 17,764 miles, and no damage. At the end of May/early June of 2026, the car gave warning messages for the following: check forward collision avoidance assist system, check lane keep assist system, and check high beam assist system. The car was inspected by the dealership, from which it was purchased, on June 29, 2026. The technician report says error codes C1604 and C1606 were found and that the car required replacement of the front camera system at the cost of $1991.49. Front camera failure negates the ability to use the advanced safety features of this car. These features are so important to alert and, more importantly, assist the driver avoid accidents and improve all motorists safety. I have read numerous complaints depicting the same problem with this front camera system. Hyundai issued TSB 20-BE-006H due to multiple problems just like the one that happened to me. I have corresponded with Hyundai about this situation and my concerns on why a car with this few miles and no damage had a failure of this magnitude. They are unwilling to assist due to the warranty expiring 6 months ago. For components this important to the safety of all drivers, I would like to see a recall established to hold Hyundai accountable for faulty components. Safety should not be limited by a warranty and last longer than 5 1/2 years. Than you for your consideration.

Filed Mar 7, 2026 · Driver assistance, Electrical · AL

The headlights failed their soldered incorrectly. It looks like a child did it. The back camera has yet to work since shows black screen, and then the lane Assistant shuts off in the middle of the road and there’s nothing blocking it. lights went out and kept going out no matter how many times I replaced the bulb when I was on the highway. I took it into Firestone and they stated that the company fucked up the wiring system.

Filed Sep 11, 2025 · Electrical · 110,000 miles · NJ

The contact owns a 2020 Hyundai Elantra. The contact stated that while his son was driving at an undisclosed speed, the Lane Assist safety feature failed to function as intended. The messages “Forward Collision Avoidance”, and “Lane Assist Camera Disabled” were displayed. The vehicle was taken to a local dealer, where it was diagnosed, and determined that the Forward Collision Avoidance and Lane Assist Camera needed to be replaced. The vehicle was not repaired because the warranty was invalid. The manufacturer was made aware of the failure. The failure mileage was approximately 110,000.

Filed Nov 17, 2021 · Driver assistance · IL

My car does not have forward collision warning or lane departure warning. But sometimes it will randomly pop up and the screen and cause my breaks to abruptly stop and almost crash.This has happened atleast 8 times and the car was bought brand new in 2020

Filed Aug 16, 2021 · PA · crash · 1 injury

I rented a 2020 Hyundai Elantra from Pittsburgh PA to Rockville MD. It was raining. Because the steering wheel was sensitive compared to other cars I had driven, I turned on the car's Lane Keeping Assistance, which tightened the steering wheel a bit and made an alarm sound and steered back by itself when the car got close to a lane line. I drove under the speed limit and exercised all caution necessary on a raining day. On highway 70 East close to Hagerstown MD, I noticed the car deviate towards the left on a curve. Lane Keeping Assist did not alarm. To prevent it from hitting the left divider, I tried to steer back to the right but the steering wheel was locked up. I pressed the brake pedal, but the car did not slow down. The car suddenly slid to the far right, left the highway pavement, rolled over on the lawn. All of the front and side airbags on the driver’s seat and co-driver’s seat popped out. Smoke was everywhere. I got bruises on my knees and legs, and cuts in left hand and arm. The mileage was 43316 according to the rental company after the incident. I purchased the damage waiver so the rental company did not charge me or provide a report. Consumer stated she would like to withdrawal the complaint.

Filed Jun 30, 2021 · Driver assistance, Engine · 400 miles · NJ · crash

The contact owns a 2020 Hyundai Elantra. The contact stated while driving at various speeds, the vehicle erroneously switched from smart mode to sport mode causing the vehicle to independently accelerated. Additionally, the lane departure system would erroneously activate. The contact also stated that while driving at an undisclosed speed, the vehicle pulled to the right. The contact also stated that the exhaust pipe was rusted. The cause of the failures was not yet determined. The local dealer and manufacturer were notified of the failure. The approximate failure mileage was 400. Consumer stated vehicle needs to brought in again, passenger seatbelt alarm goes off without anyone being in the vehicle. AC was leaking water and sensors keep changing automatically. In addition tire has been replaced after 3500 miles. Manufacture has been contacted several times and refused to buy the car back. Consumer has filed the complaint with the BBB.

Filed Feb 3, 2020 · Acceleration, Body · NY

2020 hyundai elantra. Consumer writes in regards to unintended acceleration. *ld the consumer stated the cruise control was activated. While driving up a hill, the vehicle sped up past the set speed. The dealer and manufacturer were notified and stated the vehicle was operated as designed. While driving, the steering suddenly jerked to the left about 1.5 inches. The dealer turned the sensitivity level on the lane assist. Also, the vehicle does not a metal screen over the air intake for the heater. This could allow rodents to enter into the cab.