Not sure if Chrysler does it the same way Nissan does, but with all Nissan updates I advise the dealers to go through NavTek. They farm out all the navi discs to dealers... Dealers simply pass that cost on to the customer. Customers must use the dealer as a liason for the transaction, because NavTek won't deal directly with consumers (must have an active PO)

And yes, the update discs will need to be purchased new... that is, IF they're still supported.