The driver of any motor vehicle or combination of vehicles which is required to be equipped with electric turn signal lamps by K.S.A. 8-1708 shall give any required notice of intention to turn by means of electric turn signals meeting the requirements of subsection (b) of K.S.A. 8-1721. The driver of any other motor vehicle or combination of vehicles shall give such notice by means of hand and arm signals, as provided in K.S.A. 8-1550, or by such electric turn signals.
K.S.A. 8-1549