Not AAU1: Cessna Citation Longitude Flight Dynamics Modification Project

Yep, found it. Good catch. However functional it is, it took a lot of work to access the button in the SIM, I see your point. I’m using an X56 so it would be pretty easy to map my throttle similarly.

In other news, my e-brake button fell out:

(Looking at your pic, looks like yours did too)