When using a hand signal to indicate a turn, when should drivers stop holding the signal?

Question

If using a hand signal, hold the signal until you are close enough to the intersection for others to know your intention. Do not hold the signal while making the turn. You need both hands on the wheel.

Accepted Answer

Immediately before making the turn

Answer

In the middle of the turn

Answer

After completing the turn

Answer

Three or four seconds before making the turn