Long story short, purchased a 2013 Estoril blue s4 off of Manheim auction last week. When it came in I noticed it was equipped with a radar detector. Googled the vin and found a previous listing that stated it was equipped with a passport escort 9500ci. Not too handy with electrical issues but radar is saying receiver error. I know it’s a broad fault but any help would be appreciated. Don’t even know where to begin.


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