You get all the updates over the provided 3G connection the car has included. Here are some of the release notes: http://www.teslamotorsclub.com/showwiki.php?t

You get all the updates over the provided 3G connection the car has included. Here are some of the release notes: http://www.teslamotorsclub.com/showwiki.php?title=Model+S+software+firmware+changelog http://www.teslamotorsclub.com/showwiki.php?title=Model+S+so... I started with 4.2 and am on 4.5 now.