There are 11 owner-reported driver assist & adas complaints for the 2023 Hyundai Santa Fein NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
On two occasions, once at 70mph and once at 45mph vehicle suddenly lost power and displayed warning to check collision system, there were no vehicles close enough to warrant this. I had to limp the car to the side of the road as safely as possible and shut car off, wait a few minutes and restart vehicle to clear error and allow proper power/ acceleration again.
Emergency brakes engage while driving for no apparent reason. This has happened on several occasions over the last 6 months.
I've been driving in Arizona on southbound [XXX] just south of [XXX] and noticed an issue that is very odd. I have a 2023 Hyundai Santa Fe that has Highway Driving Assist that does both speed control and distance from the vehicle ahead of me and Lane Keeping Assist. After I pass [XXX], but before an overpass for [XXX], my vehicle, if those systems are on, goes haywire and all those safety systems turn off. I have experienced it on at least 3 of the lanes on that stretch. It happens both early in the am and later regardless of sun. It doesn't happen on northbound. As more cars have these features, this interference should be looked in to. I have not experienced this on any other of our highways. Here's a link to the the rough location. [XXX] INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)
The contact owns a 2023 Hyundai Santa Fe. The contact stated that while driving at various speeds, the Emergency Braking System was erroneously activated, causing the vehicle to abruptly stop in the middle of the road. During the failure, the message "Emergency Braking System Engaged" was displayed. The vehicle was taken to the local dealer who was unable to determine the cause of the failure. The manufacturer was not contacted regarding the failure. The failure mileage was unknown.
Vehicle does not detect motorcycles in the blind spot. I did not look over my shoulder and began moving left with a turn signal when I glimpsed a motorcycle next to my vehicle. The motorcycle quickly swerved to the left and I returned to the right lane.
The front collision warning/assistance system on this vehicle does not appear to be working. The dealer claims that it is working. It seems that the protocol for testing for proper function is flawed and no one is tacking ownership of this issue. They are saying that in order to test the system a near collision must be imminent and to simulate this puts the technician at risk of injury (understandable); Nevertheless, I have been in situations where I should have at least received a warning and there was none. On a test drive by the service manager with me in the vehicle the front collision assistance was verified on and active. The cruise control function was tested and worked to adjust the speed of the vehicle appropriately which tells me that assistance is available. It appears that the either the collision sensor is not recognizing collision danger or the danger message is not getting to the warning trigger and possibly the assistance trigger. This situation should be reported to the appropriate department a Hyundai for review.
The contact owns a 2023 Hyundai Santa Fe. The contact stated while driving at various speeds, the Forward Collision Avoidance system erroneously activated, causing the braking system to activate and the vehicle to veer to the left. The contact stated that the failure was intermittent. The vehicle was taken to the local dealer on several occasions due to the failure however, a cause for the failure was not determined. The vehicle was not repaired. The manufacturer was notified of the failure, but no assistance was offered. The failure mileage was 1,000.
when driving in the rain, the driver side (left) blind spot is not functional. When the right turn signal is used, the camera shows the right side of the car and the triangle on the right mirror lights up if there is vehicle in the blind spot. In the rain, the camera lens is as clear as when it is not raining. when the left turn signal is used, due to poor aerodynamics, there is a large drop of water on camera lens which prevents driver from seeing the blind spot on the left side. The large drop of water is displayed on the dash instead of the left side of the vehicle.
When traveling along the front collision warning system is triggered even though nothing is around the vehicle. The car remains running, but there is no response from the gas pedal. I have to coast to the side if possible or stop and turn on flashers (very dangerous on interstate highway). Once safely stopped, turning off the car and then starting again reboots the system and it runs fine until it happens again randomly. The check engine light stays on for a day, but does not light up the next morning. The dealership does diagnostics, but nothing shows up as wrong. It happens so fast there is no way to take a picture or video before the warning disappears. So far I have been lucky as this has happened at least 6 times. It is dangerous and I am terrified someone will not see flashers and run into me at highway speeds.
I bought this Lemon on 1/14/2023. The front collision detection doesn't brake to avoid collision. The Emergency brake will engage on it's own, and it has to be manually disengaged. The parking assist feature will automatically disengage and is unable to engage it. The middle seat in the back seat headrest obstructs a major portion of the rear window, obstructing the driver's view. It is not the headrest pictured in the Owner's Manual. It has been in the shop twice. It has been in the shop for 10 days and counting of the 34 days I have owned this lemon of a vehicle. The car was taken to the dealer for repairs but consumer was told the vehicle functioned properly. The consumer stated the car was still malfunctioning so vehicle was taken back to dealer for repairs and still being assessed.
Forward collision warning system engaged unexpectedly, braked hard to the point of smelling burnt tires. No collision imminent. Normal driving conditions. On a second occasion, stopped at a traffic light, the vehicle suddenly warned of foward parking collision. Front camera engaged and yellow warning showed
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 25, 2026