Question Use a turn signal: Answers When you’re planning to increase your speed. Only when there is a lot of traffic. Any time you plan on changing lanes. Only if it is dark outside. Explanation You should use a turn signal every time you plan to turn or change lanes, even if you think no one else is around to see it. This questions appears in the following tests: Alaska Motorcycle Practice Test 12 Arizona Motorcycle Practice Test 29 Connecticut Motorcycle Practice Test 11 District Of Columbia Motorcycle Practice Test 3 Indiana Motorcycle Practice Test 3 Iowa Motorcycle Practice Test 24 Kentucky Motorcycle Practice Test 25 Maine Motorcycle Practice Test 43 Maryland Motorcycle Practice Test 12 Massachusetts Motorcycle Practice Test 13 Montana Motorcycle Practice Test 7 New Hampshire Motorcycle Practice Test 7 New Jersey Motorcycle Practice Test 28 New Jersey Motorcycle Practice Test 20 North Carolina Motorcycle Practice Test 19 North Carolina Motorcycle Practice Test 9 Oregon Motorcycle Practice Test 21 Pennsylvania Motorcycle Practice Test 15 Rhode Island Motorcycle Practice Test 20 Utah Motorcycle Practice Test 13 Washington Motorcycle Practice Test 3 West Virginia Motorcycle Practice Test 1