Signals to be when changing directions, etc

(1) The driver of a motor vehicle shall when approaching turnings and cross roads or coming from any private road or place to any public road, slow down and make the appropriate (2) He shall when turning across traffic or turning to the left, slow down and make the appropriate traffic signal. (3) He shall when about to stop or slow down on any public road do so gradually and make the appropriate traffic signal. (4) He shall when about to quit any place at which his vehicle has been stationary make the appropriate traffic signal.