India, Sept. 10 -- Tesla's Full Self-Driving (FSD) promise has always stood out. For years, Elon Musk has assured owners and investors that truly autonomous driving was just ahead. Now, that vision is getting a quiet rewrite, at least in Tesla's official paperwork.

According to recent filings with the US Securities and Exchange Commission, Tesla's board has subtly changed how FSD is defined in the context of a proposed $1 trillion compensation package for Musk. The document does not mention the Society of Automotive Engineers' ranked autonomy levels, which are long considered the industry benchmark. Instead, it calls FSD "an advanced driving system capable of performing transportation tasks that provide autonomous or similar functionalit...