Un conductor que indica que va a cambiar de carril, ¿tiene prioridad sobre los conductores que circulan por el carril al que pretende moverse?

In Spain, a driver who signals a lane change does not have priority over the vehicles already travelling in the lane they want to move into. The indicator only shows the intention to manoeuvre; it does not automatically give the right to do so. Before changing lanes, the driver must make sure the manoeuvre is safe and give way to the vehicles already in that lane. Example: if a driver switches on the indicator and changes lanes without giving way to a car already in that lane, it creates a dangerous situation.