§ 71.019  SIGNAL BY HAND AND ARM OR SIGNAL DEVICE.
   Any stop or turn signal, when required herein, shall be given either by means of the hand and arm or by an electric turn signal device conforming to the requirements provided in § 74.012 of this title.
(ILCS Ch. 625, Act 5, § 11-805) ('64 Code, § 21-64)  Penalty, see § 70.999