I know this has been discussed in the past and wondering if there is a fix, I have a 2013 Model S and just lately when I range charge and go out into the garage in the morning the car is making a humming noise. The temp in the garage was 65 and this sound went on for close to 24 hours and I lost 23 miles and the car was just sitting in the garage for all that time. I submitted a bug report and specific info and waiting to hear back.