What is the general rule regarding making a left turn on a two-way urban avenue (avenida de doble mano) without dedicated left-turn signals in Argentina?

1. Left turns are permitted at any corner if the driver honks the horn
2. Left turns across oncoming traffic on two-way avenues are strictly prohibited unless explicit signaling or a dedicated green turn arrow authorizes it
3. Left turns are permitted only for electric or hybrid vehicles
4. Left turns may be made from the far-right lane without stopping