You can also keep driving though the reboot completely safely.
However I would of pulled over with that warning whilst I rebooted.
If I remember right the f35 was having problems with software reporting in on error states and replacement requests. Yay car is in good company.
Honestly when I compare it to the dumpster fire that has been some iPhone iOS releases and the **** show of other software I am impressed at how well the core functionality of this car is.
There was a power off bug early on and that was handled by the delays on deliveries at the ports whilst they fixed the problem. If it was not for arsehat dealerships selling cars that were never meant to be sold then it would not of even been an issue for the public.