What 128 owners told NHTSA about the 2021 Hyundai Elantra Hev

Headlight lens are holding condensation , I've noticed this problem a few times now , and at night time it is a problem to see unless the brights of the lighting is engaged ,, RE: it's not my eyes , I've just got new bifocal glasses ,,, or maybe they just need adjusted up a bit , I will take it in for inspection, the Hyundai Elantra 2021 , I just purchased on 07/12/2023 , along with the seatbelt recall , I now know why they seem to not always want to latch together several times , thank you for the help researching my new car

NHTSA ODI 11551914

The contact owns a 2021 Hyundai Elantra. The contact stated that while driving at approximately 2 MPH, the brake pedal was depressed but the vehicle accelerated. The vehicle collided with a median and another vehicle. The air bags did not deploy. The contact sustained stomach chest and arm injuries that required medical attention. A police report was filed. The vehicle was towed to the residence. The manufacturer was not notified of the failure. The vehicle was not repaired. The failure mileage was 52,000.

NHTSA ODI 11549764

The horn stops working. It is not a fuse related issue. It is the horn itself. There are multiple reports of horn failure in this model, 2021 and 2022, on the internet and social media. There are people reporting that dealerships are also seeing a lot of cars with horn failure. This is a serious safety issue. Someone could go off the road into the woods and crash, unable to signal with a horn that they’re there. Unable to beep their horn to get the attention of a child or animal that is about to run into the road. There are countless scenarios where the horn is important. Cellphones don’t work everywhere… a horn should always work. There are far too many reports of the horn issue for it to not be a manufacture related issue. Please look into this. This could have pretty tragic implications that could otherwise be avoided. I will attach a screenshot from a social media Hyundai group of the 2022 model. I need to get into the dealership to have mine repaired and will do so asap. I’m just very concerned about the safety of everyone. Some are reporting dealerships are not clear about if the horn issue, which involves replacement of the steering assembly, is covered, while others are saying it is.

NHTSA ODI 11548798

My car has 76,000 miles on it fully maintained and recorded at hyundai dealerships. One day I’m driving and a check engine light pops up the same day I get it taken in to have it diagnosed, few hours go by I get a call they tell me that the Integrated thermal management module on my car has burnt out. I was surprised because my car is fairly new I asked them how could it prematurely fail they could not give me answer and they told me I would have to pay out of pocket for it and I did. They advised me that I should not drive the car as it could pose severe risk to engine failure as coolant is connected to the part in question. So I left my car there and they ordered a new part and it got fixed the very next day, it was ready for me to pick up. I’m frustrated because I’m not the only one who had this problem and warranty did not cover Hyundai did not want to work with me to resolve my issue and as a result it costed me money and time. I’m not the only one who has this problem but is it really safe for my car to have this part if it could cause engine damage worse fire in that area due to a design flaw.

NHTSA ODI 11547821

On three occasions while turning out into an intersection my steering wheel will lock up and my forward collision warning system will engage and my just stop in the road. Out of those three times, my car has been towed to the dealership twice. The dealer has been working very hard to identify the issue while working with Hyundai tech services. They have poured countless hours and money into this car and still have not been able to identify and correct it. My vehicle has become a deathtrap waiting to happen.

NHTSA ODI 11541394

Cars DCT transmission constantly slips into neutral and is very dangerous when getting onto main roads.. every time I accelerate my vehicle it sits in neutral and revs to high rpms and slows down until it abruptly changes gears very hard and it repeats this for every gear after 2nd

NHTSA ODI 11540929

Forward Collision warning system continues to engage dangerously and inappropriately, almost causing me to be hit from behind, as I always leave plenty of room in front. This is very scary and very dangerous. Software updates have not remedied the situation. Hyundai motors seems completely uninterested.

NHTSA ODI 11540066

Driving on highway, dashboard reported "Check Forward Safety System" and "Check Smart Cruise Control System". The car then disabled both while I was driving. This has happened 6 times to me. The first time I brought it to dealer and they stated it was a calibration problem. They reset it and I had no problems for a while. The problem has occurred 5 times more and will stay on for about a week or so and then just go away. It works again and then occurs again. So, it is intermittent and recurring. Each time the diagnostic code reported by the software to my phone is C162078. I see the 2018 Kona had the same exact problem and a software update TSB was put out there. ( https: [XXX] ) INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

NHTSA ODI 11538377

My father was involved in a car crash, front end into a wall. Apparently, the front end collison warning did not sound and the auto braking system never engaged. Prior to the accident, the front end collsion warning would come on intermittently, but the dealer checked it out and stated it was working normally (San Bruno Hyundai). AFter the collision repair, the warning light comes on and the car has been at Bakersfield Hyundai now for over a week, but they can't find anything wrong with the warning system, but the system does not function (no warning of collision and auto braking does not engage). Our accident total was $10,000, lucky, no one was seriously injured.

NHTSA ODI 11537265

First of all suspension has a noise when going over speed bumps or bumps on the road have taking it to dealer they say they cant find nothing. And the transmission has a pop noise from time to time they say at the dealer that is due to the DCT transmission but it hasn’t stop doing it plus a loud noise when you stop and go. They say there is no recall. Very disappointed with this tranny.

NHTSA ODI 11535156

Just quit working after being adjusted still not fixed though has been to Hyundai. Say parts are back ordered for months

NHTSA ODI 11528298

The contact owns a 2021 Hyundai Elantra. The contact stated while driving 30 MPH, the vehicle decelerated and lost motive power. The contact stated that the vehicle went into LIMP Mode. The vehicle was taken to the dealer on three occasions; however, the vehicle was not diagnosed or repaired. The manufacturer was made aware of the failure, and a case was filed. The failure mileage was approximately 61,000.

NHTSA ODI 11527205

The contact owns a 2021 Hyundai Elantra. The contact stated while driving 70 MPH, he attempted to adjust the driver’s side seat however, the handle fractured. The contact stated that ss a result of the failure, the front driver’s side seat shifted backwards separating from the seat back frame. The contact stated that the failure almost caused the vehicle to crash, causing the contact to jerk the steering wheel and swerve. The contact was able to adjust himself and regain control of the vehicle. The contact notified the dealer and was informed that the VIN was included in the NHTSA Campaign Number: 21V302000 (Seats). The contact stated that the vehicle was taken to another dealer who diagnosed and determined that the seat back frame assembly needed to be replaced. The vehicle had not yet been repaired. The manufacturer was notified of the failure and the contact was provided a case number and informed that he would receive a call back. The failure mileage was approximately 11,117.

NHTSA ODI 11524919

I was traveling in the rain and a CHECK FORWARD SAFETY SYSTEM warning appeared on my dashboard. There was nothing in front of me to set that off. I notified the dealership and they said it was an alignment code and must have gotten hit.( Which I doubt) so wasn't covered under warranty.

NHTSA ODI 11523885

I completed an oil change at Greggs oil express in Porterville California on 02-11-2023. I have the invoice. On 02-24-2023, I went out of town. At approximately, 5:00 pm, I heard a loud bang, large amount of oil pouring out of the bottom of the car, the car became disabled and I pulled over to the side of the road. I had it towed to the closest Hyundai dealership in Victorville Ca. They provided me with a report that stated when receiving my oil change stating due to the drain plug issue is a direct result of a third party and was not covered under warranty. I then made contact with my insurance, an investigator also reported the same. I have both reports. I have made contact with Greggs Express where I received the oil change and it was suggested to report the incident as they have come across situations like this with the particular vehicle. Therefore, I am now stuck. It is not covered under warranty, not covered under insurance, and the cost is 10,000. Besides the fact that I could have been injured.

NHTSA ODI 11518666

The contact owns a Maxi Cosi Coral XP car seat, Model Number: IC313FNDV, Manufactured: 10/09/2020. The car seat was being used in a 2021 Hyundai Elantra. The contact stated that the seat base failed to separate from the stroller when the release handle was pulled firmly. The contact stated that several attempts were needed to remove the car seat from the stroller. The child was not in the car seat during the failure. The contact later received notification of NHTSA Campaign Number: 23C002000 (Child Seat), which she related to the failure. The manufacturer was notified of the failure. The car seat was not replaced.

NHTSA ODI 11512372

The contact owns a 2021 Hyundai Elantra. The contact stated that while driving at an undisclosed speed, the vehicle overheated. The vehicle was taken to the dealer, who informed the contact there was a crack on the radiator. Additionally, the dealer determined that the failure was possibly collision related; however, the contact stated that the vehicle was not involved in a collision. The manufacturer was not made aware of the failure. The failure mileage was 39,573.

NHTSA ODI 11512434

Check Forward Safety System Message. Smart cruise disabled

NHTSA ODI 11510115

I was driving using cruise control when suddenly I got the error message “Check Forward Safety System” and my cruise control no longer functions. Turned car off and back on and message is still there. As the emergency braking system stopped working, this is a safety issue. Have not taken it to dealer yet. The car has other software/electrical issues related to the reverse camera and Apple CarPlay. There seems to be several software issues with this car.

NHTSA ODI 11510150

Horn stopped working.

NHTSA ODI 11506585

The forward collision warning stopped working several months ago. We gave the (leased) car to the dealer for repairs after 4 weeks of waiting (parts, etc.) We were told the car was fixed and ready for pick-up. I drove it from Baltimore to DC for a meeting and on several occassions when car stopped abruptly in front of me on the highway it did not give a warning, when I tried using cruise control, it would not engage because the conditions for doing so had not been met - same message I had when foward collision was not working. It's pretty clear that this was not fixed and instead they must have changed the messaging so that it does not appear as a warning when you start the car. The feature is really important to us because it has prevented a potentially fatal accident on a winding road in NY state where we found a truck on our lane due to a downed tree on the other lane - the car braked well before I did- which is the point of these safety systems. The dealer is Len Stoler Hyundai in Owings Mills

NHTSA ODI 11505991

Check forward safety system is on all the time, dealer refusing to fix it. Did have airbag recall repai done yesterday Had computer update done on car.

NHTSA ODI 11499987

NHTSA Recall Number 22V354000 has been active since May 18, 2022. The dealership says no dealers in the area have received the part to fix it. The recall itself carries serious safety concerns as the seatbelt will explode metal fragments in an accident. The dealer has also told me that 35 other people are waiting for the recall to be fixed as well. This is ridiculous, Hyundai needs to get these parts to the dealers.

NHTSA ODI 11497445

I picked up my Hyundai Elantra n-line today 12/1/22. My car was at the dealership for almost 3 weeks for transmission judder (shudder?) issues and they claim to have fixed the issue with a TSB (Technical Service Bulletin) from Hyundai with some snap and cable and additional work that was not disclosed. After picking it up and driving only 3 blocks my car went berserk where all dummy lights went on, the car's engine revved to redline, took off and suddenly the front wheels turned left (due to the avoidance features of the car perhaps) and I was able to pull the emergency break and stop the car. The car stopped luckily and if the e-brake did not work I would have ended up hitting the rear corner of a car and into a house. While the car was stopped, it was still on (unable to be turned off), all lights blinking including dummy lights and the car was showing still in DRIVE mode even though the revving stopped and the car was dead stop. After 10 minutes I was able to turn the car off (push button). Dealership dispatched a tow truck and now my car is back at the dealership for investigation. NOTE: TSB is something that is a known issue from Hyundai but not yet to the level of an official recall is what I was told by the dealership.

NHTSA ODI 11495668

Forward collision system continually fails. This disables the vehicles cruise control. The vehicle has been in the shop multiple times with no resolution.

NHTSA ODI 11494543