The contact owns a 2022 Ford Bronco Sport. The contact stated that while driving in reverse a grinding noise was present when pressing the brake pedal. Also, while operating the vehicle a burning odor was present inside the cabin of the vehicle which caused the contact to experience light headiness and nausea. No medical treatment was required. The vehicle was taken to the local dealer who was unable to determine the cause of the failures. Later, after starting the vehicle the engine stalled and the vehicle would not restart. The cause of the failures was not yet determined. The manufacturer was notified of the failure but no assistance was offered. The failure mileage was 25,000.