Speedometer

(1) Every registered motor vehicle shall be fitted with an instrument so constructed and in such a position as at all times to indicate to the driver of the vehicle within a margin of accuracy of plus or minus 10% if and when he is driving at a speed in excess of that specified by law. (2) Every instrument for indicating speed in compliance with the requirements of the last foregoing paragraph of this regulation shall– (a) at all material times be maintained in good working order; and (b) be kept free from any obstruction which might prevent it being easily read: Provided that it shall be a good defence to proceedings taken in respect of a contravention of subparagraph (a) of this regulation to prove that– (i) the defect occurred in the course of the journey during which the contravention was detected, or Motor Vehicles and Road Traffic [CAP. 230 105 (ii) at the time when the contravention was detected steps had already been taken to have the defect remedied with all reasonable expedition. Seats,