Lol, as Twist said

BC - depends who your insurance company is (who it is underwritten by, not who the broker is - for example, Dominon thru the RSOC is the broker, Highway might be the underwriter, or Norwich Union etc). SOme companies only deal with Autoglass, some only deal with RAC Auto Windscreens..... But being fully comp, then you are most likely covered for glass, and all you will have to pay is an excess, usually either £50 or £60

All you need to do is ring the relevant glass company and tell em what make, model and year of the car, and that you have a heated screen WITH A NICE BLUE TOP TINT

Then all you need to do is find a crack in the glass Sure that won't be hard