I noticed if you are logged in to your acount dashboard/ford.com and try to access the motorcraft site - it might tell you you have no subscriptions. I had to log out of ford.com to see the modules.
Have you tried reporting to developers?
https://github.com/GrapheneOS/os-issue-tracker/issues?q=is%3Aissue+is%3Aopen
Looks like its public and you can submit issues/requests for app compatibility.
For those that might want a refresher - in the 2023 owners manual, pages 279-300 cover Cruise Control (boring), Adaptive Cruise Control (stop and go!), Intelligent Adaptive Cruise Control (Read them signs!) and Blue Cruise settings (look ma no hands except on curves and hills or when I'm wearing...
I have a Chargepoint that I used with my Mach E - I'll give it a try before upgrading I suppose. GA Power still offers a rebate up to $250. Gotta be a GA Power customer - but other utilities may offer similar...