The contact owns a 2010 Lexus RX350. The contact stated while driving approximately 65 MPH over thin black ice, the contact lost control of the vehicle, causing the rear passenger's side of the vehicle to crash into the guard rail. The air bags did not deploy. The vehicle was drivable and the contact drove to the orthopedic for medical assistance. The contact sustained a left shoulder joint fracture. A police report was not filed. The vehicle was taken to the dealer, where it was inspected, but the vehicle not diagnosed or repaired. The dealer referred the contact to the manufacturer for assistance. The manufacturer was notified of the failure and referred the contact to the Lexus collision center for assistance. Additionally, the contact stated while driving at an undisclosed speed, another vehicle that was driving at an undisclosed speed rear-ended the vehicle. The air bags did not deploy. A police report was not filed. The vehicle was drivable. The contact sustained lower back pain and sought physical therapy assistance. The dealer was notified of the failure. The vehicle was not diagnosed or repaired. The manufacturer was notified of the failure and referred the contact to the dealer for assistance. The failure mileage was unknown.