Automobile approached and stopped at stop sign. When accelerator pressed to continue, car remained in place, shuddering (as if transmission were slipping),and making significant noise. Car would not shift out of gear, nor move. Operator shut off car and then restarted car. Car started normally and was in park without shuddering. Expectations at busy intersection was that it was my turn to move and did not do so, creating doubt on what my car might do next. Traffic flow was briefly confused and some drivers honked and were unsure what they should do. This could have caused an accident with an impatient driver re-ending my car, or with others going through the intersection "out of turn" and unclear on my situation. No lights or other warnings were displayed before this incident. It has not re-ocurred. I brought into the dealer who had no other reports of this type of behavior.

- Winter Garden, FL, USA

While travelling at highway speed, attempted to accelerate to pass slow traffic. Rather than accelerating, the car hunted for a gear, and wouldn't shift properly. The car downshifted but engine would not go beyond 4000 RPM and speed remained the same. This has happened multiple times. By unexpectedly not accelerating, this created a risky situation by not allowing car to pass slower traffic as expected creating a potentially dangerous situation. (Video of one of the instances exists). No warning lamps, messages or symptoms occurred up to that point. Car was brought to dealer but since no codes were contained in the computer, they said there was no trouble found.

- Winter Garden, FL, USA

On highway, emergency braking enacted. I pulled to side the of the road to turn engine off and restart car. When I did, I could not put the car in gear. I have had other similar incidents happen with this vehicle. After about an hour of waiting for roadside assistance and having NYS troopers come help, the car dash lit up and I was then able to put car in Drive. When I talked to dealership and said that I got a diagnostic message on my screen to have transmission component checked TODAY ('today' was in all CAPS on the screen), they said they could not get me in. Then when I said, "I'm supposed to just drive around hoping my car doesn't break down again"" She said, "I'll cross my fingers for you." Are you kidding me!? My safety is at risk is this what a major dealership's answer is to the car's issue"

- Glens Falls, NY, USA

on the freeway and along side another car and "emergency breaking activation" warning. Happened 2 times in a month. Car swerved but I was able to control it. I was doing about 65 mph in each case.

- Centennial, CO, USA

As I was driving today my Santa Fe Hybrid lost all power while on the road. The hybrid battery gauge went from 3/4th full to empty in 20 second and I could not get the vehicle to move. Thankfully there was no one behind me and I could safely pull off. When I stopped and restarted the car, the system said ready to drive but the car wouldn't move

- Haslett, MI, USA

The contact owns a 2023 Hyundai Santa Fe. The contact stated while driving 50-65 MPH, the vehicle stalled and decelerated to a complete stop with several unknown warning lights flashing on the instrument panel. The vehicle was restarted and operated normally. The contact drove the vehicle to the dealer where several fault codes were reset. The contact continued to experience the failure and returned to the dealer where the dealer replaced the throttle assembly and later replaced a front camera with a hard code. However, the contact stated the failure persisted. The vehicle was with the dealer but was not repaired. The manufacturer was also notified of the failure and provided the contact with a case number and a case manager to assist with the failure. The approximate failure mileage was 1,700.

- Bonita Springs, FL, USA

I purchased a brand new 2023 Santa Fe hybrid in August 2023. So far, on four separate occasions (Oct -??23, Dec -??23, Jan -??24, Feb -??24) I have lost accelerator/gas pedal power while driving down the highway. There is no warning, no lights on dash, nothing. I just all of the sudden lose power. On one occasion in particular, [XXX], I was driving on the highway with my 5 year old in the back seat. I suddenly and totally lost all accelerator/gas pedal power while in the passing lane. I rapidly lost speed and was decelerating with a truck directly behind me and another vehicle to my right in the regular lane. I had to quickly turn on my emergency flashers and pray the truck behind me was paying attention and didn-??t hit me. I was jamming up traffic until I was able to get pulled over off the road. My vehicle has been into Hyundai-??s garage a total of four times now for the same issue. They have yet to find the root of the problem or fix it. I recently picked up my car on [XXX] from the garage and exactly two weeks later it did it again, this time with my husband in the car so it is once again back in the garage. The last trip to the garage they were able to duplicate the issue but can-??t find a cause. Twice my check engine light came on after the fact but only two of the four times. I do not feel safe driving this vehicle but corporate Hyundai did an -??investigation-?? into my case and told me today they found I am not eligible for a refund or replacement and to continue to take it to a certified Hyundai garage if/when I continue to have problems. I-??m very concerned I-??ll be in a traffic accident when this happens again and now the occurrences are happening more frequently. This not only puts myself and my passengers in danger but other vehicles on the road around me as well. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

- Ebensburg , PA, USA

The engine/ability to accelerate seemed to fail. It would not accelerate past 45mph and then couldn't even maintain that speed, even with the pedal to the floor. The engine sounded like it was revving at high RPMs and wasn't shifting into gear, even though it had just been in drive and operating normally. Yes, it is available for inspection. My safety was put at risk by not being able to accelerate when merging onto the highway, leading me to be going much slower than the traffic around me. I have not asked the dealer to reproduce the problem. The component has not been inspected. There were no warning signs, messages, or alerts of any kind. There was no information about the status of the car whatsoever.

- Dublin, OH, USA

This same scenario has happened 3 times since I purchased this vehicle - first event at mileage of 6273, 2nd event @ 7586 miles, and 3rd event @ 12,506 miles. All events were the same - while driving, dash board light start to flash and the vehicle looses all ability to accelerate. For each event, we have been able to coast out of traffic, turn the car off & restart. Once the car is restarted the acceleration works again, but the check engine light remains on along with an error code of P065312 Possible Power Train Issue. We have been very fortunate each time that we were on a road where we were able to coast out of traffic, but if this happened on a busy Interstate or Hwy traveling at high speeds we could have been rear-ended. The vehicle has been to the dealership twice for service and no problems have been found. The vehicle will be returned to the dealership tomorrow for 3rd service attempt.

- College Station, TX, USA

Bought the car in July 2023. Nov 23: I had a check hybrid system followed by check engine + red battery warning while driving in the interstate. The car lost power abruptly. Coasted out of the interstate, took the exit, and turned it off. Restarted after 15 mins. Only the check engine light came back on. We drove it back home. Just as we were entering the garage, the sequence happened again: Check Hybrid System warning followed by Red battery warning followed by car losing power. We had to push it back into the garage. Started it two days later and the check engine light was on. Check Hybrid System and red battery warnings did not come back on. Nearby Hyundai dealer's service said that they are not certified to work on Hybrid cars. Hyundai roadside assistance refused to tow it to the dealership that I brought from. So, I had to drive it to the next nearby Hyundai dealer service center who is one hour away. There, the technician ran diagnostics for the check engine light and got an error code: P01E0100. He said that Hyundai's website for running error codes is down. He reset the check engine light and no warnings came back upon restarting the car, so he sent me out. Dec 12: While driving in the residential neighborhood near my home, check hybrid system followed by check engine + red battery warnings came on; car sputtered and jerked and lost power; I did the mistake of turning left to try and bring the car back home; car lost power in the middle of the turn. Fortunately, there were no oncoming cars, so I could coast at 2mph and cross the road. This was extremely dangerous. I am concerned on two fronts: 1. The dealership service technician might not be able to get the warnings again, reset the check engine light, and send me back on my way. 2. If this issue occurs while driving in the interstate or while turning left at a busy signal, then this will likely result in an accident. I am concerned for my safety.

- Champaign, IL, USA

vehicle fails to accelerate, engine is -??sputtering-?? and making a rattling sound and battery is draining to nothing on the freeway driving at normal speeds. vehicle is lurching and engine does not appear to be shifting as it should - car losing power and failing to accelerate despite being full of gas. transmission doesn-??t feel like it is shifting properly. vehicle only has 8000 miles.

- Tacoma, WA, USA

Occasionally the cruise control when accelerating will exceed the set speed and continue to climb and I will be going 20 miles faster than the set speed and climbing. The only way to sop this is to turn cruise off, slow down and restart. My thought is it happens after I have disengaged the cruise and then when safe reengage which is done by pressing the switch straight down. In my previous vehicles I would push the control up. I may be doing this by accident and giving the system an unknown command. Whatever I am doing to create tis situation is too easy to do and creates a safety issue. this has happened multiple times.

- Verona, WI, USA

The contact owns a 2023 Hyundai Santa Fe. The contact stated that the RPM would be elevated while the vehicle was idling. The failure recurred while the brake pedal was depressed. There were no warning lights illuminated. The failure recurred approximately 3-4 times within 30 days. The failure recurred approximately 15 times within 6 months of owning the vehicle. The contact took the vehicle to the dealer who was unable to determine the cause of the failure. The vehicle was not repaired. The manufacturer was not made aware of the failure. The approximate failure mileage was 12.

- Westwego, LA, USA

Driving on highway with cruise control selected to 80 mph. Left signal is applied to travel to left lane to pass a semi trailer. When the vehicle is half way into the left lane, the automatic system applies hard braking even though the semi trailer has not been detected as too close. Vehicle slowed to 74 to 75 mph before cruise control was turned off. Vehicle behavior is a total surprise to vehicles following since the braking is unexpected on a clear road. Repeated the symptoms several times. This braking does not occur if the vehicle ahead in the right hand lane is an automobile. This only occurs if it is a large vehicle such as a semi. Moving quickly or slowly to the passing lane affects the total time the braking is applied. The slower the movement, the longer the braking is applied. Repeated this behavior at 75 mph and 70 mph with similar results.

- Peoria, AZ, USA

I purchased this SUV new and noticed an issue with the automatic intermittent wipers. The dealership has replaced the windshield sensor and issue is now unreliable at best. Service department told me to simply wipe the sensor off or pour water onto the sensor to get the wipers to work. That seems to work for about 3 wipes and then stops again. Also, the driver seat changes position by itself while driving, and the advanced cruise control failed to provide any braking and almost caused me to rear end a stopped car in freeway traffic. Additionally the advanced braking system does not work at all... I had the salesman check the settings and they are turned on, but do not provide any braking function. The alert system does provide a warning if a car turns a corner in front of me, but fails to take any action.

- Spokane Valley, WA, USA