What is the function of car turn signals?

[SamanthaLynn]

The function of car turn signals is: 1. To alert pedestrians or other vehicles of an upcoming turn; 2. On highways, to indicate the direction of overtaking or lane changing; 3. When flashing simultaneously, to indicate an emergency situation, alerting other vehicles to be cautious. Car lights refer to the lamps on a vehicle, serving as tools for road illumination during nighttime driving and as signaling devices for various vehicle movements. Car lights are categorized by function into: 1. Low beam headlights; 2. High beam headlights; 3. Front position lights; 4. Front fog lights; 5. Rear position lights; 6. Reverse lights; 7. Brake lights; 8. Rear fog lights; 9. License plate lights.