The contact's cousin owns a 2013 Dodge Avenger. The contact stated while she was sitting in the front passengerâs side seat, the headrest air bag was deployed independently. The contact stated no warning light was illuminated. The contact sustained a concussion and a cervical sprain and sought medical attention the following day. No Police report was filed. The contact continued driving to the destination. The vehicle was not diagnosed or repaired. A dealer was not contacted. The manufacturer had not been informed of the failure. The failure mileage was unknown.