Ok, I've had a few gremlins since owning my 5 but they've always been intermittent. The latest started a few months ago when the passenger side rear window wouldn't go up with the master switch, but would operate with the the door switch. Now the door switch won't operate the window either. So I tested the master switch and its iffy. I took off the panel and removed the motor. Before I took it to the parts store for a replacement, I tested it from the door switch, it worked. Then i tested it from the master switch, and again, it worked. I called the parts store and let them know I didn't need the motor. I re-installed the motor and panel and the master switch didn't work again. I did the whole reset procedure, even disconnecting the battery (which I first tried before any disassembly with no results), and it worked from the master switch... ONCE! So now I'm back to square one, but at least I know it's not the motor... I guess sometime in the future, I'll actually replace the switch.