Question When should you adjust your mirrors? Answers Before turning on your engine. While backing out of your driveway. When approaching speeds of 55 mph. When completing a turn. Explanation When preparing to drive, you should be sure all of your equipment is in working order. Before starting your engine, adjust all mirrors so that you can use them without having to lean forward or backward. Pass your DMV Written Test with flying colors Take me to the cheat sheet Florida This questions appears in the following tests: Florida Practice Test 31 Florida Practice Test 18