There are a few things that you would have to do in order to make sure that your windscreen is maintained in the best possible way, there are a few things that you have to take care of. First of all, you should take a test in order to find out if fingernails could be caught in the scratch. If you see that you can, you will know that the scratch has gone too deep and it cannot be repaired
. However, if the nails do not catch you may be able to buff out with a compound of glass along with a speed drill. It is very important that the windscreen is cleaned thoroughly and in regular intervals. This is important so that you can ensure that there is no oil, debris or dirt on the areas that may need to be repaired. These are the things that you will have to consider when it comes to taking care of your windscreen.