Sandpaper???

[Dawnay1983]

Tips For Headlight Restore!!!

http://www.youtube.com/watch?v=y7r-ucg8LQA&feature=channel


Check this Im not too sure bout this one lol

 

[Dawnay1983]

http://www.youtube.com/watch?v=2-DHMKBLa4s&feature=related

This More Like it works too

 

[jabran200]

polish the head lights with some compound and polishing machine will work wonders.

 

[Paton]

Or if you're really cracked...
http://www.youtube.com/watch?v=WzajOPF2vWQ&feature=related

Might stick to the polishing myself.