Right now it's 1. In a couple of years it'll be 2. The 3. will probably be possible only on Openpilot.
For 4. I hope for future that cars will have a direct communication protocol between them in order to solve situations like these.
Unfortunately for Russia most of its talented engineers are gone west. Russian products quality are subpar. Russia can't sell many things to Europe due to sanctions and it simply can't compete in terms of cost with Asia.
99% of the cars made in Russia are sold in ex-USSR. If Tesla were to...
It's still unclear if CT will be subject to this new tax:
Here are some exclusions:
Motorcycles and certain off-road vehicles, such as all-terrain vehicles and snowmobiles.
Off-road, construction and farm vehicles are excluded.
Certain commercial and public sector vehicles and hearses are...