Thanks guys, I have the service manual and as trackSHUN says - it's not too detailed.
I looked through the slot to find out where the screwdriver should go and found nothing, only one place, which seems to be missing something. Its hard to describe, but it looks like there should be a screw but...
I hope someone could help me. I wanted to adjust headlight on my 2005 KLE500, because it's shining too high. I checked the service manual and tried to find the adjustment screw through the slot in the dashboard. After close inspection, it seems, that the screw is missing, but I can't be sure...