(1)

1. (a) A person may not turn a vehicle, merge into a continuing lane from a lane of travel that is ending, or otherwise move right or left on a roadway or change lanes until:

   1. (i) the movement can be made with reasonable safety; and
   2. (ii) an appropriate signal has been given as provided under this section.
2. (b) A signal of intention to turn right or left or to change lanes shall be given continuously for at least the last two seconds preceding the beginning of the movement.

(3)

1. (a) A stop or turn signal when required shall be given either by the hand and arm or by signal lamps.

2. (b) If hand and arm signals are used, a person operating a vehicle shall give the required hand and arm signals from the left side of the vehicle as follows:

   1. (i) left turn: hand and arm extended horizontally;
   2. (ii) right turn: hand and arm extended upward; and
   3. (iii) stop or decrease speed: hand and arm extended downward.

3. (c)

   1. (i) A person operating a bicycle or device propelled by human power may give the required hand and arm signals for a right turn by extending the right hand and arm horizontally to the right.
   2. (ii) This Subsection (3)(c) is an exception to the provision of Subsection (3)(b)(ii).

(4) A person required to make a signal under this section may not flash a signal:

1. (a) on one side only on a disabled vehicle;
2. (b) as a courtesy or "do pass" to operators of other vehicles approaching from the rear; or
3. (c) on one side only of a parked vehicle.