§ 69. Mr. Toucheasked the Minister of Transport whether his attention has been called to the doubts expressed as to the legal validity of an automatic stop-light on the rear of a motor-car as a signal of a driver's intention to stop; and whether he will make any statement on the subject?
The Minister of Transport (Mr. Hare-Belisha)Paragraph 37 of the Highway Code says:
Before you stop, or slow down or change direction, give the appropriate signal clearly and in good time.On page 16 of the code it is stated in the heading:Signals by drivers should be given with the arm extended from the side of the vehicle at least as far as the elbow when mechanical indicators are not used.