I have it on the top of the cab, so I can push it, but not see it.
I have one of these: https://www.amazon.com/GOLDEN-FIELD-0837-Button-Computer/dp/B07CJ7Z3VB/ref=sr_1_11?keywords=power+button&qid=1663249345&sr=8-11, but if I did things over today, I would just use an arcade button.