The contact owns a 2014 Kia Optima. The contact stated that while driving approximately 35 mph the vehicle shut off and rolled in a parking lot. There were no warning lights illuminated. Additionally, the dashboard and vents melted and the air conditioner became inoperable. The vehicle was taken to an independent mechanic where it was informed there were metal shavings in the engine. The local dealer was not contacted. The vehicle was not diagnosed or repaired. The manufacturer was contacted who referred the contact to a local dealer. The failure mileage was approximately 129,000.