I get the "not ready" message on a 2008 Hyundai Azera I just bought. I don't know whether the radio had been activated before I bought it used. The dealer I bought it from has no idea what to do. Hyundai Customer Service can't figure it out either. XM radio says that I have to get an activation number from Channel 0, but it won't go to any channel, just the "not ready" message. XM Radio said the dealer should have a code to put in to make it "ready" but dealer says they don't. Help!
Remove the Audio Fuse and then put it back in and the problem is solved. So frustrating that I had to find this solution on another site as both the dealer and XM had no idea how to fix it. Dealer tried to tell me it was a bad radio and I'd have to get a replacement from Hyundai.
SOURCE: 2008 Hyundai Azera XM radio "not ready"
I had the same problem. My 2008 Hyundai Azera had 37,800 and my wife went over a speed bump the XM radio went off and displayed "Not Ready". I raised the hood, pulled the negative battery cable for about a minute, replaced it and fixed the problem. Only issue is, this happens every couple of days. I'll probably continue to do this till my xm subscription runs out then to heck with it.
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