The contact owns a 2014 Jeep Grand Cherokee. The contact stated that while driving at 75 MPH, the front, passenger side headrest deployed without warning. The contact's wife was sitting in the front passenger seat during the failure and was hit in the back of the head. The contact stated his wife had experienced headaches since the incident but had yet to seek medical attention. The contact notified the dealer of the incident but was offered no assistance. The manufacturer had yet to be notified of the failure. The vehicle had yet to be repaired. The failure mileage was approximately 153,000.