when the camera is not facing the light source, the light disappears
#Why does this happen in my HDRP project? (Light Shadow Bug)
indigo jungle
ivory drum
when the camera is not facing the light source, the light disappears
This is more likely something with your ground material/shader. If you look closely, you'll notice that the light still affects the car and doesn't just "disappear", but fade out gradually on the ground as you rotate.