Personally, if you want to recreate a scene as close to PBR as possible, you may need to address how your headlight shaders are designed.  If the vehicle has reflective components, glass, and mesh lighting to the headlight assembly, those will need to be changed.  The render below had a major overhaul of shaders using Vince Bagna Supershaders to convey a more realistic render.  I added a lightfalloff node to the mesh headlight bulbs for inverse square attenuation and headlight glass material to the glass portion.  Admittedly, I did use some denoising and bloom effect in PostFX.