@Zombie Boy Changing the shader values to 0 doesn't really solve the problem, you'll mess up some stuff doing that as well, so don't do it.
The ghosting/blurry windscreen problem in cockpit view is because of some kind of glitch with csp's ExtraFX TAA. Only happens on a few cars though.
It can easily be fixed by adding these lines in the ext_config.ini located in the car's extension folder:
That's it. This will fix the ghosting/blur caused by the outer windscreen material. Hopefully Riley will implement this fix in a future update.
As for the weird light glare, I suspect that's because of the flat nature of the beetle windscreen. The reflection seems kinda jarring though... you can try to reduce it with these extra lines on the same ext_config: