When using your turn signal, you should:

Question

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.

Accepted Answer

Signal before beginning the turn.

Answer

Turn the signal off before beginning the turn.

Answer

Signal only if vehicles are in front of you.