I have the "satellite radio ready" HU and wanted to add XM radio to it. Is the best way to just get the dealership to do it for around $450, or is there a cheaper way to do it and still use the HU? Has anyone done this before, if so what did you find as the best plan of action?

Thanks!

 

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Short answer Yes
https://www.scionlife.com/forums/vie...atellite+radio
get plug and play w/ FM modulator
http://www.crutchfield.com/S-maYAXES...g=251550&avf=N