2015 S5 small tail lens (imbedded in trunk lid on passenger side, see photo) is triggering a dash warning indicator. Brake light in it works, but not signal light (both signal and brake lights work on larger lens on car body). I bought a known good used replacement part and turn signal portion still fails. Is there a fuse for each lens? Other (simple) way to trouble shoot this?
Thanks in advance for any advice!
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