Tesla (TSLA) has now come up with a plan to allay these fears. Tesla already has a valet mode that limits the driving speed and blocks access to the trunk and compartment. The newest upgrade is a little more advanced. https://news.alphastreet.com/tesla-owners-can-now-remotely-limit-speed-of-the-car/
Now is an important safety feature. Intelematics has been working on something similar for years, but couldn't get traction in the industry. The engineers at Tesla are first class.
