[WapCar] Daytime running light is an automotive lighting device at the front of a moving car, making it easier to identify the vehicle in the daytime, automatically switched on when the vehicle's handbrake has been pulled down or engaged in-gear, emitting white, yellow, or amber light. Their intended use is not to help the driver see the road but to help other road users identify an active vehicle, which belongs to the category of signal lights.
When the car engine starts, the daytime running lights will automatically turn on to attract the attention of other motor vehicles, non-motor vehicles and pedestrians. When it's night, after the driver manually turns on the low beam light, the daytime running light will automatically turn off.