The contact owned a 2017 Volkswagen Jetta. The contact stated that while her daughter was driving at approximately 40 MPH, the vehicle struck a deer. The contact's daughter lost control of the vehicle, crashing head-on into a tree. No warning light was illuminated. The air bags did not deploy. The contact's daughter was shaken up, but she had no visible injuries and did not receive medical treatment immediately following the crash. A police report was filed. The vehicle was towed to the tow yard and was deemed totaled by the insurance company. The contact stated that a few weeks after the crash, her daughter had approximately 80-90 seizures and was receiving medical treatment at the hospital. The manufacturer was made aware of the failure and a case was opened. The manufacturer informed the contact that the vehicle operated properly by not deploying the air bags because the rate of deceleration criteria were not met during frontal impact. The failure mileage was approximately 140,000.