I agree with Hayaku's feature request,
As things stand now, Ice>Link is actually more dangerous human interace than the existing radio interface.
By fully integrating the Nav wheel, Dension makes a safer interface. One doesn't have to look over there to see if they are pressing the right button, for the right length of time after selecting the right text on the Nav screen: just push the wheel in and that's it - eyes are back on the windshield where they belong.
C'mon guys, it can't be that hard. The chaps over at Invention, in the UK, have done it.

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2006 4.4i
Jet Black/Truffle Brown
Cold/Premium/Rear Climate/Sport
Adj Ride Ht./Navi/Premium Sound
IcelinkPlus/iPod