(A) The driver of a vehicle shall give timely warning by signaling with the hand or in some other plainly discernible manner indicating the intention to slow up, turn or stop.
(B) The signal given to indicate the intention of a driver to slow up, turn or stop must be plainly discernible from the rear of such vehicle.
(C) Hand signals used shall be as follows:
(1) Left arm straight out for turn in direction pointed;
(2) Left arm pointed upward for turn in direction opposite to such arm; and
(3) Left arm pointed down for stopping or suddenly checking speed.
(Ord. passed - -) Penalty, see § 70.99