Been really enjoying my Model S for the past month I've had it, but now summer has left Seattle and the morning mists have started arriving, completely blanketing my car in dew (I have to park outside for now). I'm kind of missing my rear windshield wiper on my old car. Ideally the rear defroster would help here, but I find it takes close to 15 minutes before it has a noticeable effect (even while driving). Sure, in the mean time I rely on the rear camera when backing out of the driveway, but I'd still like to be able to see out the rear windshield. Is this a common problem for others? Any recommendations? One thing I'd love to see that might help here is the ability to turn on the defrosters from the phone app. At least then I can turn them on 15 minutes before driving out.