Investigation failed to disclose a malfunction with a clear and consistent pattern of compromise to motor vehicle safety.failure of the subject door locks may impede normal egress of a vehicle occupant but does not entrap the occupant.complaints and warranty data document the deficiencies of the door lock system, but these malfunctions have not been accompanied by a history of demonstrated safety related implications.details regarding this investigation are contained in the engineering analysis closing report.further expenditure of Agency resources does not appear to be warranted.the closing of this investigation does not constitute a finding that a safety related defect does not exist.the Agency may take further action if warranted by the circumstances.