When using your turn signal, you should: Question When using your turn signal, you should: Answers Signal before beginning the turn. Turn the signal off before beginning the turn. Signal only if vehicles are in front of you. Explanation Always begin signaling well in advance of a turn. This is the best way to ensure that other drivers do not try to pass you. Without using a turn signal, drivers may assume that you are merely slowing down or stopping when you are planning to turn. This questions appears in the following tests: Alaska Double Louisiana Double Missouri Double New Hampshire Class B Knowledge Test Oregon Passenger South Dakota Class B Knowledge Test