well in my eyes the 4x4 system...im not too familar with different systems to achieve this, but if it works it should be used may apply here, not too sure though.
heating and radio controls...i think we can agree this is minor in a car like this
canbus system, what is this
trip computer, is this like tripometer? cause thats minor too if im not mistaken?
switch gear, like how you shift it? (paddle shift if im not mistaken). same as first point i made.