When I had to implement similar stuff in a program I created the user was Always prompted and the user had an easy way to check the data that was sent and they

When I had to implement similar stuff in a program I created the user was Always prompted and the user had an easy way to check the data that was sent and they could deny sending the report. I assume the car has enough computing power to self diagnose any component issue and you don't need to send your logs to the cloud for a super computer to see that your battery is broken. My guess is like all telemetry, it is done for the company benefit not the user.