This tutorial explains how to replace the key fob battery in Audi A3 (2003 – 2013), Audi A4 (2008 – 2016), Audi A5 (2007 – 2016), Audi A6 (2004 – 2011), Audi S3 (2006 – 2013), Audi S4 (2009 – 2015), Audi S5 (2007 – 2012), Audi S6 (2006 – 2011), Audi RS3 (2011-2012), Audi RS4 (2012-2015), Audi RS6 (2008-2010), Audi Q5 (2008 – 2017) and Audi Q7 (2005-2015) with key fob pictured below (smart key).
To replace remote fob battery you’ll need:
– new CR2032 3v battery (one battery)
In order to replace it, follow the steps:
Step 1: On the back of the key press the button (marked A) and at the same time pull the key blade out of the fob.
Step 2: On the front side of the key press the button (markerd arrow and B) and at the same time pull battery.
Step 3: You’ll now see the battery. Remove the old battery, making note of their orientation, and replace with new one.
Step 4: Re-install battery, and after it the key blade.
Battery orientation is with the (+) side down.
The instructions in this tutorial will work in the following model years:
– Audi A3 8P 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 and 2013
– Audi A4 B8 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015 and 2016
– Audi A5 8T 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015 and 2016
– Audi A6 C6 2004, 2005, 2006, 2007, 2008, 2009, 2010 and 2011
– Audi S3 8P 2006, 2007, 2008, 2009, 2010, 2011, 2012 and 2013
– Audi S4 B8 2009, 2010, 2011, 2012, 2013, 2014 and 2015
– Audi S5 8T 2007, 2008, 2009, 2010, 2011 and 2012
– Audi S6 C6 2006, 2007, 2008, 2009, 2010 and 2011
– Audi RS3 8P 2011 and 2012
– Audi RS4 B8 2012, 2013, 2014 and 2015
– Audi RS6 C6 2008, 2009 and 2010
– Audi Q5 8R 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016 and 2017
– Audi Q7 4L 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014 and 2015