I'm currently creating a mod but I'm unsure what the ETK K-Series windscreen is called. I know the front bumper is etkc_bumper_F but otherwise, I have no clue what anything else is called.
If you want stuff to appear on the windscreen, consider making a skin. With a bit of time you can get stuff to appear on the glass aswell as bodywork. but the glass i believe is stored with the body and door jbeams if you want to edit them in blender. https://wiki.beamng.com/Glass_skin_tutorial