Yes, it was one of the first things I did. I didn't find anything under the hood or under the steering wheel that said "day time running" or anything to that effect. I tried swapping fuses as well. The forums mention a DRL solenoid behind the passenger wheel well (as does the dealership), which I assume is the bank of 4 fuses between it and the battery. There's nothing there either. The wiring to the lights is factory from what I can see, and there's only two wires so if it was a wire I'm pretty sure the high beams wouldn't work. I also read the DRL's are in series, which if they are means they should come on all or nothing. All of this leads me to believe there must be a DRL control witch somewhere on the car which is faulty and not sending current to the left light. The heck if I can find it though.