Designation of a Diagnosis on Motor Vehicle Registrations; Requires language on application form for motor vehicle registration to allow applicant to indicate that applicant has been diagnosed with, or is parent or legal guardian of child or ward who has been diagnosed with, specified disabilities or disorders; requires specified designation to be included in motor vehicle record; prohibits inclusion of specified information in motor vehicle record for certain purposes; requires DHSMV to allow specified persons to update motor vehicle registration to include or remove specified designation at any time.