scratced glass?

how deep is the scratch? if it is not too deep then you could use toothpaste (any flavor you like) Put the toothpaste on and rub it in with your finger, spend some time doing this. should get rid of the scratch.

hope that helps.

Da40k

If its not scratched too badly Future will help. Do a search on canopies and it should give you all the info you need.