One program I tested went from (31,12,99) to (01,01,100). Its front end formatted the date and added the century, so it showed 1 January 2000 as 01/01/19100
That wasn’t fixed. The fault didn’t affect processing (the years were wrong but had the correct offset between them) and was only visible to internal users, and also that system was expected to be retired in 2004
As much as people hate Musk, Tesla is unusual in that they allow you to opt out of all connectivity. Get no updates, send no video, audio, or data to the company