What is the function of car turn signals?

[LaLukas]

The functions of car turn signals are: 1. To alert pedestrians or other vehicles that the car is about to turn; 2. On highways, to indicate the direction of overtaking or lane changing; 3. When flashing simultaneously, to indicate that the vehicle has an emergency situation, alerting other vehicles to pay attention. The method to turn off car turn signals is: manually switch the turn signal lever below the steering wheel to the middle position to turn them off. Scenarios for using turn signals are: 1. When turning: activate the right turn signal before turning right, and the left turn signal before turning left, while observing road conditions; 2. When changing lanes: activate the right turn signal before changing to the right lane, and the left turn signal when changing to the left lane, flashing for three seconds before changing lanes; 3. When overtaking: overtake from the left lane, activate the left turn signal before overtaking, and overtake only after ensuring safety; 4. When pulling over to park: turning left or right gives following vehicles time to prepare; 5. When starting from the roadside: activate the left turn signal when starting from a parked position on the right side of the road.