There is an adjuster screw, it's on the back of the headlight near the top, it's a black circular piece that sits behind the main light on the back.
Get your trunk or hatch LED conversion kits here http://www.focusfanatics.com/forum/showthread.php?p=4542652#post4542652
"2nd Gen problems"
I've spent too long looking into the abyss. It's starting to look back.