Merry Christmas Tesla and Ev's I have a question , I down loaded the new upgrade to my car yesterday sorry don't have number but was for easier entry and etc before going to our Day before Christmas dinner. I wish I could have used my AP but that whole day we got 5 inches of snow and temp in teens. Roads and all white I guess that AP is not workable in snow white conditions for now anyways,sorry had to gave facts to explain. After new down load ,driving warning that key fob battery's low . No my music or anything different. Leaving dinner at 5 pm my key fob battery went away, Stopped at a supercharger ,driving same no AP because of snow on roads and never heard or seen what you happen to receive. my Car Mgf. Dec. 2016 any ideas thanks