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Discussion Starter · #1 ·
My 2019 Terrain Infotainment didn't come with SiriusXM capabilities. So found the upgrade on infotainment's website and need to install a new antenna and run a new wire. Two questions.

1. Anyone have experience doing this? Reading their instructions it seems simple enough to do but what gets me worried is...
2. Any experience dropping the headliner down? Looking for any tips/tricks (don't need to drop the whole thing down, just enough to snake the new wire down to the new module I need to install.)
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