The contact owns a 2011 Ford Edge. The contact stated that while driving approximately 5 - 7 MPH, the vehicle failed to stop as needed. The brake pedal was depressed, but the vehicle failed to respond. The brake pedal was depressed to the floorboard. There was a squeaking sound coming from the vehicle. While making a left turn the vehicle shut off. The driver sustained a strain to the foot while depressing the brake pedal. The vehicle was towed to a residence. The contact called AAA Roadside Assistance. The contact stated that brakes service and an oil change were performed prior to the failure. The mechanic informed the contact that the failure was associated with the brake booster. The vehicle was taken to the local dealer, and it was confirmed that there was no recall associated with the failure. The manufacturer was contacted by phone, but no assistance was provided. The approximate failure mileage was 63,000.