Strange shadow

Hi all,

I’m starting with blender lighting and I found an issue that I can’t solve even searching in the forum and guides. I’m going to explain the project: car with transparent glass and lighting bulbs in the front lights that, when rendered, shows a strange shadow:

I thought that was produced by the spot light that I placed in front of the car:

but changing the angle or even placing another spot in the opposite angle does not change the render result.

I’m using Eevee.

Do you know what can be happening?

Thanks in advance

It looks like a material/texture/shading problem to me, but without the .blend file we can only guess that.

I could solve it playing with the material’s Refraction Depth field:

Thank you very much