Question All of the following are dangerous to do while driving. Which is also illegal? Answers Wearing a headset that covers both ears Having one or more interior lights on Using cruise control on residential streets Explanation Do not wear a headset or earplugs in both ears while driving; it is against the law. You must be able to be aware of all possible surrounding hazards. Pass your DMV Written Test with flying colors Take me to the cheat sheet California This questions appears in the following tests: California Practice Test 34 California Practice Test 12