This allows the dealer to indicate if the truck listing should not be published to the internet (public view). The default for listings is to show on the extranet (for dealers) as well as to the internet (for public). This feature allows you to change this publishing process.
Check the right-most box, Select, of the vehicles to be changed
Click Internet at the top of the page under "Actions"
Now this listing no longer has the "I" indicator under SPI on the inventory listing and this will only be viewable among dealers.