Audi · Radio Codes

Est. 24 Hours

Audi A4 Radio Codes

Name: Audi A4 Radio Codes
Brand: Audi
Price: 29.99 GBP
Availability: InStock
Rating: 4.5 (21810 reviews)

Audi A4 radio code by serial number. Covers all Concert, Chorus, Symphony, and navigation units fitted across A4 B5, B6, B7, and B8. Enter your AUZ serial from the unit label.

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Please contact your local Audi dealership for assistance.

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21,810 reviews on

TrustScore 4.5 | 21,810 reviews

Step 1 of 3

How to find your Audi serial number

The guide below will show you exactly where to find your Audi radio serial number.

Audi Chorus / Concert

Remove the radio to find your serial

Insert the four radio release keys into the corner holes of the fascia and apply gentle outward pressure. The unit slides forward. You do not need to disconnect any wires.

The serial is on the label on the back of the casing, starts with AUZ, 14 characters (for example, AUZ2Z3C1420538).

Audi Symphony

Remove the radio to find your serial

Insert the four release keys into the corner holes and slide the unit forward. The serial is on the label on the back of the casing, starts with AUZ, 14 characters (for example, AUZ1Z4H7755256).

Audi RNS-E Navigation

Find your serial on screen

You do not need to remove the unit. Power it on and look at the bottom of the display, the serial number appears along the bottom edge of the screen.

It starts with AUZ, is 14 characters long, and the sixth character is always 7 (for example, AUZBZ7H7145296).

What your Audi serial looks like

AUZ-Series AUZ1Z1F6412082

AUZ-Series AUZBZ7E0902434

Can't find it? Contact us. We'll help you locate your serial before you pay a penny.

Why choose us

The World's Leading Audi Radio Code Service

World's No.1

OnlineRadioCodes.co.uk is the world's leading supplier of car radio codes, with over 1 million codes delivered. Our radio experts are on hand to help you every day.

Instant delivery

Most codes appear on screen the moment payment clears. For brands that require manual lookup, our team typically delivers within the hour during business hours.

Money back guarantee

If your code does not work, we refund you in full. No questions, no hassle. We are one of very few radio code companies to back every order with a complete money back guarantee.

Lifetime retrieval

Misplace your code weeks or even years from now? Just get in touch and we will resend it free of charge, every time. One purchase gives you access for life.

Verified · Trustpilot

Don't just take our word for it

5 hours ago

Working well now

Customer · GB

9 hours ago

I wish to thank you for your fast response.

I wish to thank you for your fast response to my request for my code on the Jeep Rubicon Radio Quick response request. Outstanding job

Clifford Dube · US · Jeep

11 hours ago

The quick response to my request

Richard Robb · GB

12 hours ago

Received the code

It took about 8 hours to receive the code, and it worked perfectly. Recommended and trustworthy.

M.R · GB

12 hours ago

Great Service

Have a 21 year old car that has a 21 year old radio in it with no sign of the code .It would have been a real pain to get the radio replaced, so after a bit …

Marsa Tanner · GB

1 day ago

Code ordered took longer than expected.

Ordered a code for a van which I needed the same day. Their website stated up to 6 hours. However it took 24 hours to arrive. Be sure to check emails & confi…

P Hartley · GB

1 day ago

2009 Micra Radio

A slight issue with my first attempt on an older Nissa Micra. One quick email, Mika was on the case, second code provided, entered and radio up and running i…

Richard Roebuck · GB · Ka

1 day ago

Excellent service highly recommended…

Excellent service highly recommended thanks. Code worked fine, very east to get the code.

David Pell · GB

1 day ago

Ordered a code but it took 24 hours!

Ordered a code for a van which I needed the same day.Their website stated up to 6 hours. However it took 24 hours. Not good service given that you pay a prem…

Mr P Hartley · GB

1 day ago

Excellent

Excellent. Correct code. Only a short wait. Reasonable price.

Mike. · GB

1 day ago

Great website and fast

Great website and fast, reliable service

Shavdar Suleyman · BG

2 days ago

Excellent no problem whatsoever

Ned Lehane · IE

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Online Radio Codes is an independent radio code service and is not affiliated with, authorised by, or connected to Audi AG or any of its subsidiaries or affiliated companies. All manufacturer names, model names and trademarks are the property of their respective owners and are used solely for identification and reference purposes.

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Audi A4 Radio Codes

How to find your Audi serial number

The World's Leading Audi Radio Code Service

Don't just take our word for it

Working well now

I wish to thank you for your fast response.

The quick response to my request

Received the code

Great Service

Code ordered took longer than expected.

2009 Micra Radio

Excellent service highly recommended…

Ordered a code but it took 24 hours!

Excellent

Great website and fast

Excellent no problem whatsoever

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