NHTSA Complaint #11445300 — 2016 TESLA MODEL S

Tesla has released new Firmware 11 software, Version 2021.44.25.2, for the Master Computer Screen which is what controls all the software controlled functions of the vehicle. During the update, which was not communicated in advance of the update, Tesla did a complete USER INTERFACE change & redesign. This materially changed how the vehicle functions from a usability standpoint and a safety standpoint. With the said User Interface update and change (Again, Complete redesign), Tesla changed locations of "buttons" to activate functions required for safety. One major change (Among too many to be able to list in a Safety Complaint) was Window Defroster/Defogger, to keep windows clear of fog & frost. Tesla has moved buttons and options which were directly accessible with a single touch and no menu changes, and has moved said changes into sub-menu's. Doing this now requires the driver to take their eyes off the road, and at least one hand off the wheel for an extended length of time to navigate sub-menu's to find the placement of the button to activate defrosters. Instead of a fraction of a second glance to hit the button, now requires 2-5 seconds of looking to find it. Same goes for heat/ac controls. Further, the redesign materially changes the functionality of the vehicles menus, and completely changes the functionality of every and all options under the menu's. Again, Tesla did this with no prior notification that such a change would be taking place. Further, Tesla service will not reverse the software changes. Tesla, with this update, has focused more on a stupid "Holiday Light Show", and providing more games to the driver. I do not want a stupid light show or games. I want my vehicle to operate how it was advertised in a usability manor that does not decrease safety.