I think that it should be part of your initiation into i-club. After you hit submit for your first post a window should pop up asking you if you know what the switch on the top of your steering column does. If you get it wrong then another window should pop up telling you to go out and try it or else you will not be able to post.
It would have saved me mild embarassment at my first meet
And no, I never RTFM, I'm a computer geek, it's against all my beliefs.