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cdc simply means CD changer, i think, coz my 1998 A6 says No CDC and it means my CD changer is not connected.
The 2012 Audi A6 has a drag coefficient of 0.26 Cd.
The 2013 Audi A6 has a drag coefficient of 0.26 Cd.
The 2007 Audi A6 has a drag coefficient of 0.29 Cd.
The 2006 Audi A6 has a drag coefficient of 0.29 Cd.
The 2014 Audi A6 has a drag coefficient of 0.26 Cd.
The 2008 Audi A6 has a drag coefficient of 0.29 Cd.
The 2009 Audi A6 has a drag coefficient of 0.29 Cd.
The 2011 Audi A6 has a drag coefficient of 0.29 Cd.
Remove the retaining cover from the front of the CD changer. Remove the CD changer retaining screws. Remove the wiring harness from the back of the CD changer.
Car CD changers are very easy to install, provided all the wiring has been hooked up to the trunk where the changer will go.
It all depends on the cd changer you want to install, also the module that your car uses must work with the with the cd changer. anonymous@oola.com