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.
Do you mean that the image is projected too low on the windshield for you to conveniently see?
If so, you probably already know there is an up/down switch in the HUD panel to allow adjustment. Sometimes the "hinges" for the HUD can break and cause the adjustment to go down.
And of course, sometimes the HUD brightness gets accidentally turned way down also.
If you don't get a solution to your problem here, try posting in C6 General.