10. Persons under the age of 18 cannot use a while operating a motor vehicle. A. O Mobile device B. O Hand signal C. O Convex mirror D. O Sun visor 11. The following are common aids used to enhance your driving, except: A. O Sunglasses B. O Texting devices C. O Convex mirrors D. O Water repellant on the windshield 12. You must always signal at least before you turn. A. O 25 feet B. O 100 feet C. O 500 feet D. O 1000 feet