Teslas are beautiful cars. They perform exceptionally well, and I'd love to test-drive one. Tesla is one of the auto-makers who have been testing autopilot-type features, and are moving toward a self-driving option in the near future.
That being said, THOSE FEATURES DON'T EXIST YET. These cars do not drive themselves! There are driver-assist features, but they're not meant to completely take the place of an alert, competent driver!
This person was spotted on the I-5 freeway (a VERY BUSY interstate) in LA last week. He is completely asleep behind the wheel of a Tesla on the interstate. NOT. GOOD.