P.R. Laws tit. 9, § 5167
Any person driving a vehicle along a public road intending to make any of the maneuvers provided below, shall signal with the left hand and arm as follows:
(a) To make a left turn: extend hand and arm horizontally outward with the palm of the hand towards the front and the fingers together.
(b) To make a right turn: extend hand and arm outward and upward, in a right angle, with the palm of the hand towards the front and fingers together.
(c) To stop or slow down: extend hand and arm outward and downward with the palm of the hand facing the rear and fingers together.
The signals required in this section may be substituted by signal lights, except for vehicles of over fifteen (15) feet in length for which the use of signal lights shall be obligatory. This measure shall apply to all vehicles or combinations thereof. Any signal to turn on a public road shall be made continuously along the last one hundred (100) feet of road before turning. Any person who violates the provisions of this section shall incur an administrative fault and be punished with a fine of twenty-five dollars ($25).
History —Jan. 7, 2000, No. 22, § 6.17, eff. 1 year after Jan. 7, 2000.