The contact owns a 2012 Kia Optima. The contact stated while driving at an undisclosed speed, the contact heard an abnormal clicking sound while the steering wheel was vibrating. No warning light was illuminated. The contact stated that the abnormal clicking sound was heard while making right turns. The vehicle was not diagnosed or repaired by an independent mechanic or the dealer. The manufacturer was made aware of the failure but provided no assistance. The failure mileage was approximately 72,000.