It should be out today i believe, but it might not come out until a certain time. there is no announcement yet saying the DLC is out now.
the 66 icon has been there since the latest update, and it is a bit buggy. there have been multiple people experiencing the same as you (including me).
RedLynx/Ubi has assured us (for what it's worth, especially in this game) that we own the DLC, but it just hasn't activated yet.
there should be multiple threads in this forum and in technical support where you can find their "official answer"
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