I know the majority of you hate Tesla, but security is something they do take more seriously. They even take part in pwn2own to help find vulnerabilities.
All auto manufacturers should be taking part in that.
Nothing like winning a car to get people to try and break into it publicly.
Edit: Also details on the 2025 event in January just recently announced. https://www.zerodayinitiative.com/blog/2024/9/23/announcing-pwn2own-automotive-for-2025