(A) Signals required.
(1) No person shall turn a vehicle from a direct course upon a roadway unless and until the movement can be made with reasonable safety and then only after giving an appropriate signal in the manner herein provided, in the event any other vehicle may be affected by the movement.
(2) A signal of intention to turn right or left shall be given during not less than the last 100 feet traveled by the vehicle before turning.
(3) No person shall stop or suddenly decrease the speed of a vehicle without first giving an appropriate signal in the manner provided herein to the driver of any vehicle immediately to the rear when there is opportunity to give the signal.
(B) Manner of signaling. Any stop or turn signal, when required herein, shall be given either by means of the hand or arm or by a signal lamp or lamps or mechanical device, all of which signals shall be plainly visible and understandable in normal sunlight and at night from a distance of 100 feet to the front and rear, but shall not project a glaring or dazzling light; except that, a stop signal need be visible only from the rear.
(1) Mechanical signals. All mechanical signal devices shall be self-illuminated at all times when in use.
(2) Hand signals. Hand and arm signals shall be given from the left side of the vehicle in the following manner:
(a) Left turn: hand and arm extended horizontally;
(b) Right turn: hand and arm extended upward; and
(c) Stop or decrease speed: hand and arm extended downward.
(Prior Code, § 6-4-2) Penalty, see § 70.99