There is no license agreement by a secondhand buyer. Why should Tesla be permitted to reach into a car I bought from the classifieds, and reconfigured using my

There is no license agreement by a secondhand buyer. Why should Tesla be permitted to reach into a car I bought from the classifieds, and reconfigured using my own skill (flipping a bit from "disabled" to "enabled")? Consumer protection should be strengthened so that this kind of behavior is illegal.