Don Tuite wrote:

brushed-aluminum pushbuttojn on left horn of yoke?

Yes

extra knob on turn-and-sllip?

Hmmm, I don't think so. There is such a knob on the yoke itself that
is aileron trim. I don't think the system uses the panel turn & slip;
it has its own internal equivalent of a turn coordinator, according to
the documentation I've seen.