Unlock heated seats and full diagnostics by turning off the power to the amd chip exactly when it’s checking authorization. This exploit is very tricky though and requires soldering three wires to the board, so not for the faint of heart.
This is the full talk of the article posted on lemmy a few months ago, but Black Hat only recently posted the full video.
Elon will sue you if you do this. Or at least rage on twitter that he will.