how can i use this texture for headlight and brakes

Development Programming & Scripting Blueprint
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lights.PNG
lights.PNG1024×1024 170 KB

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You will to rearrange your uv of your mesh car from a modelling tool(like blender, 3ds max) using UV Editor.
I think unreal has an inbuild uv editor but i havent tested that.

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i solved by separating headlights, brakes and blinkers in to different texture and blend space them in material.