Level 5 means not having any controls that a human can use. So, unless their "future upgrade" includes ripping out the steering wheel and pedals, etc, then the car is only "level 4 ready".
No, level 5 simply means fully autonomous, the system controls everything with no human interaction.
SAE definitions: http://www.sae.org/misc/pdfs/a...
DOT's definitions (hint: they adopted SAE's rather than NHTSA's): https://www.transportation.gov... (page 11)