Question While all of the following actions are dangerous to do while driving, which is also illegal? Answers Listening to music through a set of dual headphones. Adjusting your outside mirrors. Reading a road map. Explanation Listening to music through a set of dual headphones is dangerous and illegal. 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 32 California Practice Test 18