please help there a scratch on my navgation screen, does anyone know how to remove it? also i was searching on the web there's a thing call displex lcd scrtach remover also lense doctor. does those things really works? there's review on the DISPLEX and the rating is good and bad. does anyone knows what kind of plastic material is on the navgation? just worry it's going to get worst if i apply those remover on my screen. any information will be helpful. Thanks
