Apologies if this belongs in the Blender thread, but I'm making a mod of a pre-existing bus, and I have been having trouble with the interior lighting illuminating the exterior of the bus. I believe the problem is with the model for the body of the bus as the interior lighting is entirely unchanged from the original which did not have this issue.
Lights off:
Lights on:
Can anyone help me out here? I feel like I've tried everything.