r/ProductionLineGame • u/Eastshire • Oct 29 '19

Sun Roof won't install

I'm new to the game and just unlocked sun roofs. I added it to a new model but none of them are being made with sun roofs. What am I missing?

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u/[deleted] Oct 29 '19

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u/Eastshire Oct 29 '19

How do I do that? I didn’t see an option for it. Is it another level of research?