You must give a signal either by hand and arm or by a signal device:

Question

Question: You must give a signal either by hand and arm or by a signal device:

Options:

1.  Only if other traffic is affected by your movement
2.  Only if you are driving a truck or car
3.  Only at night
4.  Anytime you change lanes

Answer 1

4. Anytime you change lanes

You must give a signal either by hand and arm or by a signal device anytime you change lanes.