Yes, the video mentions the machine is a used one, formerly used in SF. They mention it wasn't altered at all to keep the certificates but they try to learn and

Yes, the video mentions the machine is a used one, formerly used in SF. They mention it wasn't altered at all to keep the certificates but they try to learn and in future may improve it. The Tesla reference is about a vehicle that would autonomous drive in the tunnel, it will not resemble a Tesla car but feature a cabin and use some components like battery/etc.