3335 - Signals by hand and arm or signal lamps.

     § 3335.  Signals by hand and arm or signal lamps.        (a)  General rule.--Any stop or turn signal shall be given     either by means of the hand and arm or by signal lamps, except     as otherwise provided in subsection (b).        (b)  Required signals by signal lamps.--Any motor vehicle in     use on a highway shall be equipped with, and required signal     shall be given by, signal lamps when the distance from the     center of the top of the steering post to the left outside limit     of the body, cab or load of the motor vehicle exceeds 24 inches,     or when the distance from the center of the top of the steering     post to the rear limit of the body or load exceeds 14 feet. The     latter measurement shall apply to any single vehicle and to any     combination of vehicles.        (c)  Exception.--This section does not apply to a motor     vehicle registered as an antique or classic vehicle which was     not originally equipped with signal lamps.        Cross References.  Section 3335 is referred to in section     3334 of this title.