Tasting switch for exhaust flap wanted. Ask the electricians.

Hi, I hope to be right in this forum, the question is something special. I have installed an electric exhaust valve on my car, this has a toggle switch. I would like to replace it with a button with little stroke, because I want to put it behind an empty switch panel in dashboard. I attach the circuit diagram of the control, as I understand it, has the existing toggle switch once mass, duration plus and a control line the either mass or 12v au and depending on what it spends, the flap opens or closes. I’m looking for a rest / button replacement with as little stroke as possible for this toggle switch.https://data.motor-talk.de/…/…elstahl-63mm-6190434565279314212.jpg