Originally Posted by SeeThruHead

yeah i think that the solenoid will go full open when the voltage is removed

you could have a latching circuit too
you press the button once
the delay function turns on
when the clutch reaches full extension, it presses another button. that turns the delay feature off.

Way more complicated than the button on first gear tho. But it has the advantage that if you don't enable it before releasing the clutch it's effectively always off.

it's an interesting problem to think about