Thanks to all for your assistance and especially this post which was the solution. Of course, I asked my high schooler about Shortcuts and he replied "oh yeah, that's what I used to fix mom's hotspot issue with her R1S last week".
Nyack service scheduler stated that Mahwah will never become "customer facing". The space is a short term rental for new vehicle handovers and an area for Nyack techs to visit to work on vehicles. The current lack of parking at the yet-to-fully-open Nyack center is the glitch they are managing...
Does anyone have a NACS adapter to loan or rent (or suggest a charitable donation).
Driving to Charlottesville, VA tomorrow returning Saturday.
Driving round trip to Hilton Head, SC leaving Sept 13 and returning to NJ on Sept 22