It can be purchased at any time within the vehicle or through the mobile app. Monthly has no long-term commitment currently, so it can be canceled at any time. You could Test it out for a month for $50 and if you like it, you can purchase the lifetime.
My take is that the current iteration of vehicles exist to train the systems that will ultimately provide fully autonomous vehicles. So, I agree with the previous comment to yours, however it is pretty obvious it will not happen overnight.
Also, you can add nicknames/labels to contacts. I told the ai that a particular contact should be nicknamed wife and it worked the next time I text her.
Not sure I agree with that statement. Mind robotics is offering a tangible product, of which AI is not. Now, if Rivian was offering RA as the product, your statement would ring more-true.