I've been trying every iPod and iPhone in the house, fer the love of god, nothing works.

I don't seem to have a device which is compatible with this 4.8i and I'd sure like to see what that USB connection does, and what shows up on the NAV screen.

It will charge USB devices, but that's it.

Any ideas?

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2010 Specialized Epic Carbon Comp XX
1976 FJ40 Toyota Landcruiser (SOA,350ci sbc V8 crawler)
2007 X5 4.8i
2008 Porsche Cayenne Turbo S