I know the ones that are in-dash typically use new DVDs every couple of years for updates. I imagine the portable ones connect to PCs in similar fashion. Alas? No - they do not.
HOWEVER - I know such as in the instance of a car I'm about to purchase, you can buy extra service (such as on-the-road traffic updates through XM that integrates with the GPS)...
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chiming
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Date: 2008-06-03 12:58 pm (UTC)From:HOWEVER - I know such as in the instance of a car I'm about to purchase, you can buy extra service (such as on-the-road traffic updates through XM that integrates with the GPS)...
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Date: 2008-06-03 01:04 pm (UTC)From: