My guess is photoshopped. It is possible to take the whole photo and change some colors, particularly to lighten/yellow the red to make it look amber when there isn't anything else that's red in the photo to compare to.
As for the ambulance from the movie, I think that's just distortion from a bright bulb in the light and it being blurry. Look at the photo below (*note, I did lighten it just a bit but did not otherwise adjust the color). If it were blurry from movement and from being a photo of a DVD of a movie made years ago, and if it was from the front and not the side, it might look like the whole light was amber as well. But I can assure you, since that's a Ful-Vu on my M-M, that the light is red.
But I could be wrong...