In this download you will find both installation instructions and VCDS coding assistance to install the RNS-51o into a Passat CC. Also applies to Passat B6.
Update:
An even newer version of US Firmware has come out in January 2010, version HW:1000.
All new units available come with this firmware and HW:04 and support the updates listed below.
In late October, 2009, VW released a new production version of the US spec RNS-510 (3C0-035-684C) that offers some improvements over previous versions. The hardware has been updated to HW:04 and the firmware has been updated to SW:0980. There are vast improvements in this version versus the previous versions, mainly with the following (some are unconfirmed, so please bear with us if they’re not 100% accurate):
Improved overall performance, reduced “bugginess” and generally quicker to perform functions such as switching from one media source to another, locking in on HD and other radio stations is quicker.
This section is intended to help serve as a download section for any type of installation pertaining to the RNS-510. New updates will be added as they are made available. If you have something you would like to contribute, please email them to us.