Quote:
Originally Posted by HummerNewbie
Any aftermarket double din head unit will fit in the H3. You will need to use an install kit but it will fit just fine. Here are a couple of shots of my D1 in the H3.
Nav Display
XM Display

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How is that D1 in bright sunlight, especially with a sunroof; if you have one? When you hooked it up, did you keep all the Onstar functions via the radio, and did you keep the stock XM module?
Also, I take it the Nav only works with the DVD in the slot.
Looking seriously at the D2, but want to keep XM and Onstar (as well as the Monsoon).