Aftermarket car lighting technology is becoming more and more advanced, giving drivers plenty of options on how they can upgrade their car. This is a set of Toyota LED daytime running lights/fog lamps has a special 3-in-1 design that includes LED daytime running lights, low beam fog/driving lights, and high beam/fog driving lights. The LED DRL/fog lamps even come with a sensor that automatically triggers a toggle between the daytime running light function and the fog light high beam when you drive through a dimly lit area, like a tunnel.