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Home › Radio Codes › Audi
Audi Audi · Radio Codes
Est. 24 Hours

Audi A4 Radio Codes

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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Currently unavailable
Please contact your local Audi dealership for assistance.
Est. 24 Hours Money back guarantee Secure checkout
Excellent 4.5 stars 21,834 reviews on Trustpilot
Trustpilot 4.5 out of 5 stars on Trustpilot TrustScore  4.5 | 21,834 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.

Remove the radio to find your serial
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).
Remove the radio to find your serial
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).
Find your serial on screen
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.

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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.
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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.

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5 stars
14 hours ago Trustpilot

Straightforward Process

I found the process for obtaining my radio code very straightforward. Once you have the serial number for your radio, you just follow the instructions to obt…

Brian Davies · GB
5 stars
14 hours ago Trustpilot

Fast Service

This was quick and effective. Definitely recommend their services.

Luis · US
5 stars
1 day ago Trustpilot

Quick to respond and pay attention to…

Quick to respond and pay attention to details. Good customer service.

Chimezie Paul · GB
5 stars
1 day ago Trustpilot

Radio code

Very easy to use and the code came through very quickly

Paul Hoyte · GB
5 stars
1 day ago Trustpilot

I have no complaints

I have no complaints; they got me the code for my car radio quickly. I'm very satisfied.

Federico Albarracin · AR
5 stars
1 day ago Trustpilot

Applied for a code within 2 hours got…

Applied for a code within 2 hours got the code. Very pleased.

Aaron Gash · GB
5 stars
2 days ago Trustpilot

Great service.Paid on an evening and…

Great service.Paid on an evening and got the code early the next day.Everything went well.

Neil Parry · GB
5 stars
3 days ago Trustpilot

Great customer service

Great customer service. Had my code within a couple of hours. Would recommend.

Chris Harrison · GB
5 stars
3 days ago Trustpilot

Great service worth the money.…

There were many unexpected step to follow. OnLineRadioCodes have totally nailed it with making the process doable and easy to follow. I recommend their ser…

ron kasper · CA
4 stars
3 days ago Trustpilot

NICE & QUICK TO GET CODE

NICE & QUICK TO GET CODE, BIT EXPENSIVE as this was a back up unit & not fitted yet if it all works o,k happy with cost, could have got cheaper but wa…

Customer mrs howard · GB
5 stars
3 days ago Trustpilot

The service I had was excellent

The service I had was excellent. The first code I had didn't work so I messaged them back and they were quick to reply with a second code put it in and it wo…

Gp · GB
See our 21,834 reviews on Trustpilot

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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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