Turning Movements & Required Signals by Hand or Lamp; (STO #54 & 55 KSA 8-1548 & 1549)
Find the exact wording here:
Bottom Line: Always signal BEFORE changing lanes and after checking to be sure you may do so safely.
Always signal before turning either right or left and no less than 100 feet BEFORE turning or before slowing to turn.
Always be sure your signal lamps are operational BEFORE driving and use hand & arm signals as appropriate when any lamp isn’t working.
In McPherson, failure to signal a turn is a moving violation punishable by a $60 fine and $75 court cost.