An easy to follow DIY video tutorial on how to change the remote fob smart key battery for Audi A4, A5, A7 and A8.

This smart key remote fob takes replacement battery CR2032.

Free keyless entry remote fob programming instructions available at https://www.programyourremote.com/

Free Ignition key programming procedures available at https://www.programautokeys.com/

This smart key is FCCID: IYZFBSB802.
Part Number: 8T0.959.754 A
Interchange Part Number: 8K0959754AB AF | 8T0959754A AJ M | 4H0959754DF

This video will show you how to remove and replace the smart key remote fob battery on the following years and models of Audi vehicles:
A4 - 2008 , 2009 , 2010 , 2011 , 2012 , 2013 , 2014 , 2015 , 2016 , 2017
A5 - 2008 , 2009 , 2010 , 2011 , 2012 , 2013 , 2014 , 2015
A7 - 2009 , 2010 , 2011 , 2012 , 2013 , 2014 , 2015
A8 - 2009 , 2010 , 2011 , 2012 , 2013 , 2014 , 2015 , 2016