hey i just installed some L.E.D. license plate bulbs and the light in the instrument cluster light up. thats the same light that would come up if your signal or tail lights or headlights went out. so i am guessing it must be the the l.e.d. bulbs being a so low wattage bulbs, the sensor can't even sense that they are there. so the car thinks the license plate bulbs went out so the light in the cluster pop up. is there any way to trick the sensor to make the light go off, i like to keep the l.e.d. bulbs on the car though, pics will posted soon...