How to replace remote fob battery in Audi A3, A4, A5, A6, Q5, Q7

December 17, 2017 in Audi A3, Audi A3 8P (2003 to 2013), Audi A4, Audi A4 B8 (2007 to 2015), Audi A5, Audi A5 8T (2007 to 2016), Audi A6, Audi A6 C6 (2004 to 2011), Audi Q5, Audi Q5 Type 8R (2008 to 2016), Audi Q7, Audi Q7 4L (2005 to 2015) by admin

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