But pay attention, it isn't a perfect reflection, it has "mistakes", do you know why? Because he isn't using a reflection plane, he is using HDRI, look at his wheel reflection, and if you have a reflection on your windows, you don't need to have the same reflection on the car paint, because the reflection depends on the car paint, like, if it is a matte paint, you won't have reflections as if you have metallic paint.