The contact owns a 2010 Honda Civic. The contact stated that after driving approximately 5 MPH, the brake pedal was depressed to stop and park the vehicle; however, the vehicle independently accelerated. The contact stated no warning light was illuminated. The contact stated that the unintended acceleration had occurred several times and almost caused a crash. The contact had taken the vehicle to an independent mechanic who was unable to determine the cause of the failure. The contact had not yet taken the vehicle to a dealer. The vehicle was not repaired. The manufacturer was not informed of the failure. The failure mileage was approximately 147,000.