About This Content The Window Flags DLC offers a wide range of options to personalize your truck even further. Whether you are fine tuning your truck to match your own unique design or rooting for your favorite sports team on match day. The Window Flags DLC allows you to fly your flag with pride featuring hundreds of designs. Fluttering flags are simulated both at standstill and at different driving speeds. We also take into account different wind speeds. The resulting effect is a very real and dynamic flag!