Adaptive Cruise Control problems of the 2024 Hyundai Palisade

Failed radar braking on a 2024 Hyundai Palisade what component or system failed or malfunctioned . . . . On Feb 8th, 2026 I was driving in to lakeland FL on I-75 n, in the right hand lane, near a green stoplight following a car 2 lengths ahead. The radar cruise control was slowing me down, keeping up with the car in front. Another driver suddenly cut in front of me from the far left lane. The cruise slammed on the brakes. Within seconds he took a hard right to catch an exit ramp. The radar cruise then accelerated at an extremely high rate, and no braking, causing me to hit the car in front of me, which was stopped about a car length away at a red light. Our air bags, 3 on driver's side, 1 on the passenger side deployed and my wife and I appeared to have no injury. The Hyundai front end crumpled in, trapping us in the car. The police pried open the doors to get us out. The car was totaled. We rented a car through our insurance and continued our 4 day journey home. On the 3rd day my right leg started turning black and blue. By the 4th day my left leg started doing the same. On returning to stevens point I went to the er. The dr. Said the bruises would take several weeks to clear. And it is not unusual for the bruising to appear several days later. On March 9th both my legs developed large hematomas. The right one just above the ankle, the left just below the knee. A week after that the right hematoma developed 2 deep open wounds and I had to go for wound care involving twice daily bandage changes and then a wound vac. The dr. Says it will be a long recovery. I would have been better off without the leg airbags. Two people in the front car claimed whiplash and were taken to the hospital for observation. The police said they did not appear to be injured, but better safe than sorry. We were trapped in the car and couldn't get out till the police got there 20 minutes later. By then the ones in the front car had been taken away.

Many times while my car was set to the adaptive cruise control the car wouldn't stop or break at all although the car in front of me braked and stopped completely. I had to slam on the break because the car wouldn't stop on its own.

During the daytime, you cannot see any of the graphics on the steering wheel switches. How am I supposed to know what button does what? how am I supposed to control the cruise control settings if I am pushing the wrong buttons. At night they are illuminated so I can see them better, but during the day the graphics are basically invisible. I'm thinking this is only an issue on the calligraphy night trim levels. This has been an issues since we picked up the vehicle.