Auto as in you get it automatically in your mailbox. No need to ask for it or otherwise seek it out. It's just sent to you. ETA: other meanings likely don't fi

Auto as in you get it automatically in your mailbox. No need to ask for it or otherwise seek it out. It's just sent to you. ETA: other meanings likely don't fit. It's not about self pontificating (well maybe only from Charlie's point of view), and the motorcar related to the Pope is already called the Popemobile.