The contact owns a 2014 Hyundai Santa Fe. The contact stated while driving 30 mph during rainy weather, the contact was attempting to get into the right-hand lane out of the way of a speeding vehicle approaching from the rear. The brake warning light illuminated. The contact stated that the brake pedal failed to respond when depressed. As a result, she crashed into the rear of a vehicle in front which caused her vehicle to come to a stop. The air bags did not deploy. A police report was filed. The contact was injured by the impact hitting her head on the steering wheel. The contact stated that she was driven to the hospital by her husband where her injuries to her forehead were treated. The contact mentioned still having side effects from the accident, she suffers from migraine headaches. The vehicle was drivable, but that the vehicle engine began to stall at stop signs or traffic lights. The vehicle has been at the contact's residence for 4 months since the accident and was not drivable. The vehicle was not diagnosed or repaired. The manufacturer had been informed of the failure. The failure mileage was approximately 110,000.