The contact owns a 2013 Kia Soul. The contact stated that while his son was driving at an undisclosed speed, the steering wheel was making an abnormal clicking sound. Additionally, while driving 65 MPH, the steering wheel tuned left and right with a loud clicking sound. The contact also stated that the vehicle was consuming an excessive amount of oil. The check engine warning light was illuminated. The vehicle was taken to the local dealer where it was diagnosed and determined that the flex coupling was defective. The vehicle was not repaired. The manufacturer was contacted but no assistance was provided. The failure mileage was approximately 100,000.