[selkin]

Someone engaging this mode by error or stupidity, and then causing an accident makes me think some things should remain lock behind some "I know what I am doing" barrier, which the subject of the original link seem to not have scaled above, as there is a simple way to brute force the electronic break, no expensive tools needed.

[prmoustache]

A maintenance mode can be done without risk of activating it by mistake.

Then the different kind of maintenance can be split into sections with warnings about implications of each setting/action.