2025 Kia K4 Complaints

While driving my 2025 Kia K4, the steering system failed and became unresponsive. I was unable to steer the vehicle as intended. The exact cause of the steering failure is UNKNOWN at this time. The vehicle and steering components are available for inspection upon request. The loss of steering control put my safety and passengers riding at serious risk because I could not properly control the direction of the vehicle. Steering is essential for avoiding hazards, staying in the lane, and maintaining control. The failure resulted in a single‑vehicle accident and could have caused serious injury or involved other motorists if traffic conditions had been different. The problem has not yet been confirmed by a Kia dealership or an independent service center. At the time of this report, the vehicle has not been inspected by Kia or another repair facility. Police and/or insurance involvement may have occurred due to the accident, but no mechanical inspection of the steering system has been co...

After having my information panel replaced apx. a month later the airbag for passenger seat illuminated and has not gone off.

Engine Failure, Engine cooling and lost power

When parked and cutting the car on check driver assistance system come on, check and, and esc comes on. The parking brake does not go off and malfunction. When trying to move the car sometimes it still drives and sometimes the parking brake will not allow you to move until the system resets its self. There are 6 codes that appear. Started in December 2025 have taken car to the dealership 3 times and they report back because the codes are no longer present they can not fix it.

The insurance claim agent called on behalf of their insured driver, who rented a 2025 Kia K4. The contact stated that while their insured driver was attempting to reverse, the reverse sensor became inoperable with no warning lights illuminated. The contact stated that the reverse sensor failed to function properly. The contact stated that due to the failure, the rear of the vehicle crashed into a barrier. The driver did not suffer any injuries, and no medical attention was required. A police report was not filed. The contact stated that the air bags did not deploy during the incident. The dealer was not contacted. The vehicle was not diagnosed or repaired. The manufacturer was not made aware of the failure. The rental company was made aware of the failure, and a case was opened. The failure mileage was not available.