Question When making a lane change, your turn signal: Answers Should always be used. Should only be used if there is traffic present. Should only be used between dusk and dawn. Explanation You must always properly signal before turning or changing lanes. This questions appears in the following tests: Arkansas Tank Connecticut Double Iowa Class A Knowledge Test New Mexico Class B Knowledge Test Oregon Class B Knowledge Test Tennessee Class B Knowledge Test Utah Class A Knowledge Test Virginia Class A Knowledge Test Virginia Class B Knowledge Test