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How to replace remote fob battery in Audi A3, A4, Q3, Q7, R8, TT

December 22, 2017 in Audi A3, Audi A3 8P (2003 to 2013), Audi A3 8V (2012 to 2018), Audi A4, Audi A4 B7 (2004 to 2008), Audi A6, Audi A6 C6 (2004 to 2011), Audi Q3, Audi Q7, Audi Q7 4L (2005 to 2015), Audi R8, Audi R8 1st Gen (2005 to 2015), Audi TT, Audi TT 8J (2006 to 2014) by admin

This tutorial explains how to replace the key fob battery in Audi A3 8P, 8V (2003 – 2018), Audi A4 B7 (2004 – 2009), Audi A6 C6 (2004 – 2011), Audi Q3 8U (2011 – 2018), Audi Q7 1st. Gen. 4L (2005 – 2015), Audi R8 I (2005 – 2015), Audi TT 8J (2006 – 2015) with key fob pictured below.

LED in the remote control key (arrow in image on right side)

– If you press a button quickly, the LED blinks once.
– If you press a button longer (convenience opening), the LED blinks several times.
– If the LED does not blink, the remote control key battery is dead. The message “Please change key battery” can also appear in the instrument cluster display. Replace the battery.


To replace remote fob battery you’ll need:

– new CR2032 3v battery (one battery)

 

In order to replace it, follow the steps:

Step 1: Press the release button (red arrow).

Step 2: Pry apart the base (A) and the cover (B) carefully with a coin. Remove the cover (arrow).

Step 3: Re-install battery. Slide the battery holder carefully into th e remote
control key. Insert the mechanical key.

Battery orientation is with the (+) side down in relation to the cover.

The instructions in this tutorial will work in the following model years:
– Audi A3 8P, 8V 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017 and 2018
– Audi A4 B7 2004, 2005, 2006, 2007, 2008 and 2009
– Audi A6 C6 2004, 2005, 2006, 2007, 2008, 2009, 2010 and 2011
– Audi Q3 8U 2011, 2012, 2013, 2014, 2015, 2016 and 2017
– Audi Q7 1st. Gen. 4L 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014 and 2015
– Audi R8 I 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014 and 2015
– Audi TT 8J 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014 and 2015

by admin

Audi A4 B6 (2000 – 2006) and B7 (2004 – 2008) Fuses List and Amperage

August 26, 2016 in Audi A4, Audi A4 B6 (2000 to 2006), Audi A4 B7 (2004 to 2008) by admin

audi_a4_b5_fuse_box_location

Fuse box location

The Audi A4 B6 and B7 fuse box is located on the left side of the dashboard (see image on the right).
To access it you must have the left hand side door open and remove the side dash cover, pushing it.

Fuxe box diagram and amperage list

Check fuses position on the image.

Fuse number – Description – Fuse Amperage

1 – Air Conditioner – 10A
2 – Footwell Lamps – 5A
3 – Heated Washer Jets – 5A
4 – Radiator Fan – 5A
5 – Telephone, Multi Function Switch, Maintenance Monitor – 10A
6 – Air Conditioner, Pressure Sensor – 5A
7 – Electronic Stability Program – 10A
8 – Telephone – 5A
9 – Brake Servo, vacuum pump – 15A
10 – Automatic Headlight Range Control – 5A
11 – Airbag – 5A
12 – Dianostic Connector – 10A
13 – Steering Column Unit – 10A
14 – Brake Lights – 10A
15 – Insrument Cluster Navigation – 10A
16 – Garage Door Opener – 5A
17 – Level Tire Pressure Control – 10A
18 – Autom Headlight Range Control, Left – 5A
19 – Front Fog Lights – 15A
20 – Empty
21 – Empty
22 – Door Driver and Passenger – 15A
23 – Door Rear Left / Rear Right – 15A
24 – Central Comfort Electronics – 20A
25 – Heater Blower – 30A
26 – Heated Rear Window – 30A
27 – Towing Assembly – 30A
28 – Fuel pump – 20A
29 – Empty
30 – Sliding Sunroof – 20A
31 – Reversing Lights, gear lever gate, el. mirror – 15A
32 – Towing Assembly MJ 06 – 15A
33 – Cigarette lighter – 20A
34 – Electrical Socket Front – 20A
35 – Trunk Socket – 20A
36 – Wiper System – 30A
37 – Washerpumps – 30A
38 – Central Comfort Electronics – 15A
39 – Radio, Stereo, CD Player – 20A
40 – Horn – 25A
41 – Auxiliary Heating – 30A
42 – Electronic Stability Program ESP – 25A
43 – Engine Management – 15A
44 – Seat Heating – 35A

 

The instructions in this tutorial will work in the following model years:

2000, 2001, 2002, 2003, 2004, 2005 and 2006 Audi A4 B6 Petrol (1.6, 1.8T, 2.0, 2.4, 3.0) and Diesel (1.9 TDI and 2.5 TDI) Engines, S4

2004, 2005, 2006, 2007 and 2008 Audi A4 B7 Petrol (1.6, 1.8T, 2.0, 3.2) and Diesel (1.9 TDI, 2.5 TDI, 2.7 TDI and 3.0 TDI) Engines, S4, RS4