What does the lane change turn signal mean?

[Rosa]

The lane change turn signal refers to a feature where a single flick of the turn signal switch automatically activates the turn signal for three or five flashes. Below is relevant information about lane changing: 1. Lane changes must not affect other vehicles: On roads with two or more lanes in the same direction, the vehicle changing lanes must not disrupt the normal operation of vehicles in the adjacent lanes. Violating this rule may result in a warning or fine. 2. Turn signals must be activated in advance: When turning left, changing lanes to the left, preparing to overtake, leaving a parking spot, or making a U-turn, the left turn signal should be activated in advance. When turning right, changing lanes to the right, returning to the original lane after overtaking, or parking by the roadside, the right turn signal should be activated in advance. Regulations clearly stipulate: When turning, changing lanes, overtaking, making a U-turn, or parking by the roadside on the road, motor vehicles must activate the turn signal 100 to 50 meters in advance.