(A) Any stop or turn signal, when required herein, shall be given either by the hand or signal device, but when a vehicle is so constructed or loaded that a hand and arm signal would not be visible both to the front and rear of said vehicle, then said signals must be given by such a lamp or lamps, or signal device.
(Prior Code, § 7.0214)
(B) All signals herein required given by hand and arm shall be given from the left side of the vehicle in the following manner, and such signals shall indicate as follows:
(1) Left turn, hand and arm extended horizontally;
(2) Right turn, hand and arm extended upward; and
(3) Stop or decrease speed, hand and arm extended downward.
(Prior Code, § 7.0215)