automotive material pack - red brake light

I’ve downloaded the automotive material pack, which is great! But how can I modify the clear glass to be tinted red (brake glass)?

I had a go, but looks unrealistic everytime.

Many thanks.

Tinted Glass is not easily possible.
https://forums.unrealengine.com/development-discussion/rendering/1672267-ue4-still-does-not-have-any-proper-way-to-do-tinted-glass

But there is an official tutorial:

Best
Dominic