[§291C-86]  Method of giving hand-and-armsignals.  All signals herein required given by hand and arm shall be givenfrom the left side of the vehicle in the following manner and such signalsshall indicate as follows:

(1)  Left turn--hand and arm extended horizontally.

(2)  Right turn--hand and arm extended upward.

(3)  Stop or decrease speed--hand and arm extendeddownward. [L 1971, c 150, pt of §1]