K.S.A. 8-1708: Stop lamps and turn signals.

(a) Every motor vehicle, trailer, semitrailer and pole trailer shall be equipped with two (2) or more stop lamps meeting the requirements of subsection (a) of K.S.A. 8-1721, except that passenger cars manufactured or assembled prior to January 1, 1953, shall be equipped with at least one stop lamp. On a combination of vehicles, only the stop lamps on the rearmost vehicle need actually be seen from the distance specified in subsection (a) of K.S.A. 8-1721.

(b) Every motor vehicle, trailer, semitrailer and pole trailer shall be equipped with electric turn signal lamps meeting the requirements of subsection (b) of K.S.A. 8-1721, except that passenger cars and trucks less than eighty (80) inches in width, manufactured or assembled prior to January 1, 1953, and vehicles registered under K.S.A. 8-194 need not be equipped with electric turn signal lamps.