What is the function of turn signals?

[SanEliza]

The function of turn signals is: 1. To indicate to pedestrians or other vehicles the direction in which the vehicle will turn; 2. To signal the direction for overtaking or lane changing; 3. When both left and right turn signals are on simultaneously, it indicates that the vehicle is in an emergency situation, alerting other vehicles to be cautious. Precautions for using turn signals include: 1. Activating the turn signal in advance when making a turn; 2. Using the left turn signal when overtaking and the right turn signal when returning to the original lane. Solutions for turn signal malfunctions: 1. Replace the filament of the turn signal bulb; 2. Reconnect the bulb to the socket; 3. Replace the bulb with one of higher wattage; 4. Inspect and repair the wiring of the turn signals.