This item is the loan of a Visteon upgrade disk to make certain Ford/Lincoln navigation radios satellite ready. Upgrade may also include upgrade of other itmes like voice commands. Cost of use of the disk is $125 including shipping (plus sales tax in Texas). All other fees charged are a deposit that will be refunded once the disk is returned. If the disk is needed more than 10 days, please contact us for an extension (at no charge as long as it is reasonable).