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Originally Posted by CameronJr9
The head units are definitely different. I doubt a simple software upgrade would do any good. The hardware wouldn't be compatible. If you desperately need live traffic and weather updates, you'll have to look into upgrading your head unit. If you're going to do that, you might as well save some money and go aftermarket.
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The DVDs from the other units work great.

I have one in mine right now...