Pretty easy solution if you are mechanically inclined.

Go here for step by step instructions:

http://www.clubgp.com/newforum/tm.asp?m=3367&p=&mpage=1&tmode=1&smode=1&key=hud%2Cdimming&language=single&cookieCheck=467696786

If this page does not load, go to http://www.clubgp.com then paste the above link into the address bar.

ClubGP handles browser cookies in a weird method that if you don't have a previous cookie from their site, you can't access pages directly.