OK, I've pondered this long enough...
How can a bulb that has no power to it, like when it's just stiing there off for hours before you get home, iterfere with the signal? When you get home and hit the remote button does it not start the opening process as it turns on the light? I mean the signal has already been recieved before the light even has power. I could see it interfering when you leave and the safety sensors trip the light on, but how on Earth can it interfere as you're coming home? The up command is usually when you need the distance so you don't have to wait for the door to open. The down you hit when you are really close as you pull out to leave, you aren't pulling out to the street and then calling for it to go down.