Get some cerium oxide and buff it out. That's the only thing that will remove scratches from glass.
04 ZX3 RIP [Best Non-SVT FITF12][3/13 ROTM][7/14 ROTM][2014 ROTY][Best Engineered FF14]
01 SE V8 Estate [Organizers Choice FF15][2nd Place MK1 Class FF16]
02 SE SVT Wannabe
02 SVT Future Project