Hand and arm signals shall be given from the left side of the vehicle in the following manner:
1. Left turn, hand and arm extended horizontally;
2. Right turn, hand and arm extended upward;
3. Stop or decrease speed, hand and arm extended downward.
(Added Coun. J. 7-12-90, p. 18634; Amend Coun. J. 6-5-13, p. 54983, § 1)