When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
As far as I know its for adjusting the auto level of the headlights.
That's exactly right! Thanks! Since I took this off to grease the end links as well (I was grease happy), I messed up the AFS and now get the AFS blinking light. But thanks to CL, there's good info on how to set it back correctly.