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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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Please contact your local Audi dealership for assistance.
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Excellent 4.5 stars 22,485 reviews on Trustpilot
Trustpilot 4.5 out of 5 stars on Trustpilot TrustScore  4.5 | 22,485 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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FAQ

Frequently asked questions

Why is my Audi A4 radio asking for a code?
Power was cut to the unit, a flat battery or a battery change being the usual cause, and the anti-theft lock activated. Enter the correct code once and it will not ask again until the next time power is lost.
Which radios were fitted to the A4?
Mostly the Concert, Symphony and Chorus units, plus the RNS-E navigation on higher specs. All carry a 14-character AUZ serial and all are covered. The RNS-E can also show its serial on screen, which saves removing it. If you have another Audi, our main Audi radio code page lists every model we cover.
Where is the serial on an A4 radio?
On the label on the casing, a 14-character number starting AUZ. Slide the unit out with release keys to read it, no wires need to be disconnected. RNS-E owners can use the on-screen route instead.
How do I enter the code on an A4?
With the ignition on the display shows SAFE, then 1000. Set each digit with the preset buttons, then confirm. If the radio shows 2 SAFE it has had too many wrong attempts, leave it switched on for about an hour and it will accept entries again.
I have had the car years and never needed a code before. Why now?
The code only comes into play when the radio loses power. Many owners never see it until the first battery change. Nothing has gone wrong with the unit, it just needs its code once.

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5 stars
3 hours ago Trustpilot

Batterie abgeklemmt und Zack...."Code…

Batterie abgeklemmt und Zack...."Code eingeben"....den hatte ich natürlich nicht.Nach anfänglicher Skepsis habe ich den Code nach der Zahlung von knapp 16€ ü…

Bert Gain · DE · Ford
5 stars
11 hours ago Trustpilot

Unbelievable Service

Unbelievable Service – Saved Me a Trip to the Main Dealer!I was completely locked out of the radio in my Volkswagen Passat 2.0 and was dreading having to sch…

Walter Lucas · US · VW
5 stars
23 hours ago Trustpilot

Très bien

Très bien, rapide et fiable, le code a fonctionné, je suis contente

Vanessa Noble · FR
5 stars
1 day ago Trustpilot

Really good

The service was quick and to the point. They asked for a pic via-Mail, which I uploaded then they delivered. All polite and professional. Thanks for a good job.

Erol Engintepe · DE
5 stars
1 day ago Trustpilot

Quick response

Code worked perfectly. They even processed my request on the weekend. Which made my wife very pleased. Thank You!

EJ · US
5 stars
2 days ago Trustpilot

In pochi secondi

In pochi secondi, letteralmente!, ho ricevuto il codice dell'autoradio della mia Clio sporter. Complimenti per l'efficienza e la rapidità del servizioFrance…

Francesca Minerva · IT · Clio
4 stars
2 days ago Trustpilot

Valid code

The first code I received was wrong, so I sent them a video confirming the code is indeed the wrong one (radio said it is invalid). And then they sent me ano…

Ivan Bilmez · HR
5 stars
2 days ago Trustpilot

Rien à redire

Rien à redire , mon pb a été résolu, j'ai obtenu le code sans problème et ma radio fonctionne à nouveau. Merci.

Client GELEOC jean · FR
5 stars
2 days ago Trustpilot

Paid the money

Paid the money, got the code in a couple of hours, worked fine

Paul · GB
5 stars
3 days ago Trustpilot

Great response time and superb customer…

Great response time and superb customer service.

Jay · GH
4 stars
3 days ago Trustpilot

el codigo se tardo mas de 6 horas en…

el codigo se tardo mas de 6 horas en caer despues de la compra y el estereo no me ha funcionado al 100% como yo me lo esperaba

Adrian Sandoval · SV
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