The contact owns a 2022 Kia K5. The contact stated that while driving at 43 MPH, the vehicle made an abnormally loud booming sound. The contact's daughter, who was occupying a rear seat, screamed out because the rear seats had suddenly risen. The contact pulled over to the side of the road and inspected the vehicle. The check engine and the low fuel warning lights were illuminated. The contact's wife met the contact and picked up the children. The contact stated that upon resuming driving, the vehicle was jerking violently, and the fuel gauge level lowered significantly. The vehicle was taken to an independent mechanic, where it was diagnosed with an EVAP system failure. The vehicle was driven to the residence. The vehicle was then towed to the dealer, where it was diagnosed, and determined that the fuel tank had expanded. The vehicle was not repaired. The manufacturer was notified of the failure and offered to repurchase the vehicle. The failure mileage was approximately 85,000.

- Grovetown, GA, USA

The contact owns a 2022 Kia K5. The contact stated while driving at various speeds and depressing the accelerator pedal, the vehicle shuddered and hesitated to respond. The check engine warning light was illuminated. The vehicle was taken to the dealer several times, where the dealer related the failure to the fuel cap. The dealer loosened the fuel cap; however, the failure persisted. The vehicle was taken back to the dealer, where it was diagnosed with fuel tank expansion. The vehicle was not repaired. The dealer offered to repurchase the vehicle. The manufacturer was notified of the failure and a case was opened. The failure mileage was approximately 47,940.

- Orlando, FL, USA