Re: "nav ready???"
It sounds like your Jeep has the 8.4A (RA3) sound system. It's "NAV" ready in that your dealer (for about a $500 fee) can turn on the Navigation capability. In other words, NAV capability is inherent in that particular system, but it's not enabled from the factory.
The 8.4AN (RA4) comes from the factory with full navigation turned on. (with more features than the RA3) Unfortunately, Chrysler doesn't allow swapping of the radios on MY14 after manufacture.
2012 Grand Cherokee Overland Summit - Winter Chill with New Saddle interior. 5.7L HEMI V8 - Nitto NT421Q "shoes"
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