2020 Hyundai Sonata

I first begin having an issue with the idle speed. It would jump up to 1,500 RPM, which is twice the normal 750 RPM level It started almost from the very beginning when I purchased this car new in early 2020. I mentioned it at first oil change at dealer at 3,500 miles. I was told it was normal. In the beginning it would come and go. Sometimes not happening for weeks in-between episodes. Then it started to have the check engine light come on after it would happen and stay on. I took it back while light was still on and they kept the car for several days. Said it was the EPV valve and replaced it. Car operated fine for a few days then started up again. It also started to idle up and down from 1500 down to 500 in a rapid succession. I was able to get it to stop sometimes by turning engine off and them back on. Again I contacted dealership and took car back in. They gave me a loaner car and kept my car for over a month. This time they replaced the computer they told me. I did not have car for more than a week before it started doing it again. It has gradually gotten worse and happens more often now. It has also started to have the Forward Collision Avoidance warning come on in addition to check engine light as well. Just this week it actually just died on me while driving and forced me to pull to side of road. Turn off the engine and restart the engine. This happen 3 times in succession. Dealership does not seem to have any idea on what is going on and have been not very helpful. 3 week wait to get an appointment to bring in and no loaner cars available. This problem with the 2020 vehicle is very dangerous. It can idle up at anytime and car will lurch, requiring forceful brakeing . Car dying while driving and losing power as well.

Whenever I am close to a Tesla in traffic or at a stoplight, my parking sensors go off. I believe that the frequency of my Sonata parking sensors is being interfered with by Tesla sensors. This could lead to unexpected braking in traffic. This problem has not been reproduced by a dealer or independent service center. It has not been inspected by the manufacturer, police, or insurance representatives. Warning sensors go off.

Car is 20 months old and in that period the car has experienced on at least 3 occasions a problem with acceleration. After stopping and then attempting to accelerate the transmission had a problem engaging and increasing speed. It took probably 30-40 seconds to get from zero to 25 or so then engaged back to normal. Obviously dangerous if getting onto highway or turning in traffic. Dealership cannot replicate problem so they cannot analyze. Last instance was about 2 months ago March 2022. Similar to other incidents posted here.

- Shifter system malfunction - Unable to use the shift buttons - Received system error on dashboard that read, "Shifter malfunction! Service immediately." Visited two dealership, who saw a photo of the system error message. Vehicle was inspected by the dealership; however, no support could be given due to the dealership not having a code for the issue. - Dealership was made aware of the issue back in November 2021; however, first available appointment with technician was not until January 2022.

Steering wheel makes whining/scrubbing noise when turning. Steering a vehicle is a critical component of safety and being able to avoid dangerous situations. The problem has been reported, inspected, and confirmed by a dealer. The component has not been inspected by the manufacturer, police, or independent service center. There were no warning messages, lamps, or other symptoms of the problem prior to failure. The problem first appeared when the vehicle was under 15,000 miles. The dealership advised that the worm shaft assembly needs to be replaced.

The contact leased a 2020 Hyundai Sonata. The contact state that the radar in the vehicle interacted with the radar in Ford vehicles. While parking in a parking spot there was a beeping sound detected. While at a stoplight with a vehicle in front to the side, the radar engaged when a Ford vehicle drove up. The contact stated while turning nearby another Ford vehicle the radar engaged and the driver applied the brakes. The Forward Collision-Avoidance warning light was illuminated. The contact called the local dealer, but the vehicle was not taken to be diagnosed or repaired. The manufacturer was not contacted. The failure mileage was approximately 6.

On Nov. 2020 my husband and I purchased a new 2020 Hyundai Sonata with 2mls.off the showroom floor at Daytona Hyundai dealership, Daytona Beach,Fl. We moved to Ga.One day in December, I opened the driver side back door to put groceries in the backseat and I noticed water on the door frame at the bottom ,I thought maybe I might have left the window part of the way down and rain came in. a few weeks after that I went into town I was going to put groceries again in the driver side back door and water sitting on the bottom of the frame inside the door . The window was up .So this went on every time it rained. I drove my car to Rome GA at Heritage auto group they sell Hyundai’s And also service them. [XXX] in service department he’s the manager I told him about the door where I was finding water at every time that it would rain. So he told me to bring it back when I was able to leave it. For the next couple months I had a medical emergency with our son that lives in Florida when he lost eyesight. With the specialist diagnosis he had uveitis in both eyes. The first trip was in April 2021 and I 95 southbound in Florida maybe past Saint Augustine we were driving 60 miles an hour the traffic was very heavy and all three lanes, I was in the center. It was within seconds that I seen something rubber in front of me in my lane ,it could not be avoided or I would have caused a accident with other vehicles. I ran over it on the right side front bumper so my son and I decided to drive it on down to Daytona Hyundai in Daytona where we purchased it at. The manager in the service department there inspected my car all the way around and told me the damages to the right front bumper and the plastic air dam he also said that I could leave it there but they didn’t have a loaner for me & they couldn’t give me a timeframe I told him I had to get back to Georgia take care of my husband. He said that I could have it repaired up there. He did finish cutting off the plastic air-dam . INFORMATION Redacted PURSUANT TO THE FREEDOM OF INFOR

The contact owns a 2020 Hyundai Sonata. The contact stated that while depressing the brake pedal, the front of the vehicle was wobbling. The vehicle was taken to a dealer where it was diagnosed that the rotors needed to be resurfaced. The vehicle was not repaired. The manufacturer was notified of the failure. The approximate failure mileage was 11,000.

Driving on the Interstate at 65mph the car suddenly goes down to 5mph. Unwanted deceleration! At the same time the dash warning lights come on. Check engine and ABS. This happened 3 times now. 2 times on the Interstate in heavy traffic and once going 35mph on a back road. Miraculously we were able to pull over without any cars slamming into us. This unwanted deceleration happened on July 28, August 18 and Sept 13. Each time after pulling to a safe area we turned the engine off, waited a few minutes and turned it back on. Then resumed normal driving speed. Brought it to the dealer after each time. This shut down started after the car was only 4 months old with 2,983 miles on it.First time they said they couldn't find anything wrong and reset the computer, said if it happens again they will look into it more. The second time they replaced a Body Assy-Throttle and Gasket. The 3rd time they replaced the front wiring assembly control. I have all the repair paper work. We were driving playing Russian roulette wondering when it will happen again. With cars speeding around us we were lucky no one was close on our tail. This is an extremely dangerous situation. Each time it was beautiful sunny weather, two times heading to the beach, 3rd time heading to NH after 2 hrs of driving and one hour stopped, resumed driving for 20 min when it happened. No common denominator. I hope that this is not happening to others. I have reported this issue to Hyundai Motors America and they have offered me $500 and 60 days to release them from any liability or claim. Since I just got my car back finally Sept 20th, I certainly can't say my concerns have been resolved.