Warranty, who knows until someone actually tries it. But since they usually replace a drone rather than repair it, it is likely that they won't do that until they are officially selling in the US.
Care Refresh is not available per someone that...
Remember that APAS is simply a tool to try an help the operator in cases where the operator didn't see some obstacle. But it is always the operator's job to see and avoid. So, if a crash occurs because the drone hits something; #1 it's operator...