vehicles have this function. Many European laws, such as lateral stop by the road, there is no lights at night must open the outer Parking Lights, so that in the case of low visibility to other vehicles provide the warning role. Most models operate when the car stops and lights out, and then the turn signal comes to the side where the light is needed, and then the car locks the car. There are also some brands of roadside parking lights with special buttons, such as Mercedes-Benz. The power consumption of parking lights is very low, and it will not cause battery loss for a whole night.Looking for ideal CAR Park Tail&number Plate Light 25w Manufacturer & supplier ? We have a wide selection at great prices to help you get creative. All the Auto Park Tail&number Plate Light 24v are quality guaranteed. We are China Origin Factory of Auto Rear Light Lamps 21w. If you have any question, please feel free to contact us.