he posted the exact same thing i was going to, if your facing the headlight theirs two what look like gears. you use to adjust the headlight.
http://encrypted-tbn1.gstatic.com/images?q=tbn:ANd9GcTQZKbzFwD7Aj9mLTwcU22x1w7sxAucygodjAv7uR8eqthe one on the left is A and right is B