If a vehicle is not fitted with direction indicator lamps or if they are out of work, then sign on change of driving direction is to be given by
a) stretching the arm sideways; arm bent in the elbow upwards is a sign for change of driving direction to the opposite side,
b) raising the arms forward; to swing the arm backwards is a sign for change of driving direction to the opposite side,
c) light warning sign outside a municipality and in a municipality by audible warning sign during the entire driving activity.
