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Ours is actually orange, it's not as red as it looks and the original was also orange. See picture above. As for the weathering, there was a vehicle on set where the art department made it look exactly that weathered. It was later shown in Paris. I will also include that video below. There you can see what we based our weathered version on.
The image above has been color graded - therefore I believe your headlights are the incorrect color.
The movie car didn't have Orange headlights - but were in fact Warm White in color temperature, giving off more of a yellow hue.
There are many images of the movie car(s) which all show the same Warm White color temperature.
I would hope this detail would be easy to update for production models. Thanks.