again I (the ignorant)

I found a few entries in the search function regarding the switch knob, but I didn't get smarter.
Now to my question !?
Is it possible to mount any gear knobs, or is there something to consider? ==References== Opel has to pay attention to the reverse gear lock, is this also to be observed with the V8 (automaton) ?
And once again a big thank you for your answers!
The Ignorant
