TL* THE CONTACT OWNS A 2017 CADILLAC ESCALADE. THE CONTACT STATED THAT THE VEHICLE ROLLED AWAY INDEPENDENTLY. AS A RESULT THE VEHICLE WAS INVOLVED IN A REAR END COLLISION. THERE WERE NO INJURIES AND A POLICE REPORT WAS FILED. THE VEHICLE WAS DEEMED OPERABLE. HOVE NISSAN (1405 N KINZIE AVE, BOURBONNAIS, IL) WAS UNABLE TO DIAGNOSE THE CAUSE OF THE FAILURE. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE AND REFERRED THE CONTACT TO NHTSA. THE FAILURE MILEAGE WAS APPROXIMATELY 17,000.