This legislation has been repealed.
device shall be so constructed and fitted that —
signals are clearly visible in sunlight, at all distances up to sixty metres;
illuminated, it is not glaring or dazzling to other road users;
not in operation, it is not likely to mislead the driver of any other vehicle
or any person controlling traffic;
is readily operable by the driver from his proper driving position; and
is mounted so that any signal given by it can be observed by the driver in his
normal driving position directly or by means of a fixed mirror, or its
operation is indicated by means of a tell tale indicator that is visible and
audible to the driver.