The contact owned a 2007 Nissan Xterra. The contact stated that while driving at an undisclosed speed, the contact lost control of the steering wheel causing the vehicle to flip three times; however, the air bags did not deploy. The contact sustained injuries to her head and neck. The contact received medical attention. The contact related the failure to NHTSA Campaign Number: 23E012000 (Air Bags). The vehicle was not diagnosed nor repaired by an independent mechanic or dealer. The manufacturer was not made aware of the failure. The failure mileage was approximately 200,000.