1Showroom
Upload one photo of the branded showroom wall. The car in it is removed once and the empty room is kept — every vehicle after that reuses it. If the photo already has no car in it, nothing is generated at all.
2Vehicle photos
The photos as they were sent to you. Every shot that is a whole car gets placed in the showroom — its own pixels, untouched; only the room, the shadow and the floor reflection are generated. Anything else — a wheel, a badge, an interior — is passed straight through exactly as sent, with the reason shown. A photo only places if the whole vehicle is inside the frame — a tight crop has no whole vehicle to place, and the card says which edge it runs off so the next shot can fix it.