(A) No driver of a vehicle shall suddenly start, slow down, stop or attempt to turn without first giving a suitable signal in a manner as to apprise others who might be affected by his or her action.
(B) No person shall turn a vehicle from a direct course upon a highway unless and until the movement can be made with reasonable safety and then only after giving a clearly audible signal by sounding the horn if any pedestrian may be affected by the movement or after giving an appropriate signal in the manner hereinafter provided in the event any other vehicle may be affected by the movement.
(C) 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.
(D) The signals herein required shall be given either by means of the hand and arm or by a signal lamp 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 the vehicle then the signals must be given by a lamp or device.
(1980 Code, § 20.304) Penalty, see § 70.99