MEGAN 2 ADDRESS OUT OF POINT

Hello friends:
I tell you, I have a friend who has a megane 2, the subject is that the steaming zipper to repair because I was playing, he did not put the wheel in neutral I bone reading the manual says the steps to follow, I still do not arm the car because first I want to know how I can know the correct position now, someone can help me or nothing happens with the theme of the point of the point.
Thanks an avrazo

The only way of knowing the number of positive or negative degrees of your steering wheel is through a scanner I do it with autoboss