I picked up my R1T yesterday from the El Segundo Service Center. It was in the service center for 3 weeks, no service center initiated status updates. Based upon app, it appears the vehicle just sat there for at least 1 week to 1 1/2 weeks. I had the following 15k service inspections...
Actually, I think Mercedes is ahead, I believe they were approved for level 3 a while ago. See link
https://group.mercedes-benz.com/innovation/product-innovation/autonomous-driving/drive-pilot-nevada.html