100% Money Back Guarantee The World's Leading Car Radio Code Service Trusted by 1,000,000+ customers
English Español Español Deutsch Deutsch Italiano Italiano Français Français Português Português Română Română Български Български Slovenčina Slovenčina Nederlands Nederlands Svenska Svenska Magyar Magyar Hrvatski Hrvatski Norsk Norsk Suomi Suomi Dansk Dansk Polski Polski Čeština Čeština Ελληνικά Ελληνικά Русский Русский
Email
Home › Radio Codes › Audi
Audi Audi · Radio Codes
Est. 6 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.

Money back guarantee Lifetime free retrieval
Enter your serial number
Over 1 million codes delivered worldwide.
Not sure which serial to enter? See examples
Est. 6 Hours Money back guarantee Secure checkout
Excellent 4.5 stars 22,048 reviews on Trustpilot
Trustpilot 4.5 out of 5 stars on Trustpilot TrustScore  4.5 | 22,048 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.

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 since 2015. 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

See all reviews on Trustpilot
5 stars
6 hours ago Trustpilot

Worked great

Worked great! Not within one hour response, but the code worked just fine and was within a 12 hour period.

Riley Newman · US
4 stars
8 hours ago Trustpilot

Online radio does what I required

Online radio does what I required, very efficient and process id straightforward, had start motor replaced and needed the code and they manage to get me code…

Arfan Mahmood · GB
5 stars
1 day ago Trustpilot

Quick easy and definitely affordable I…

Quick easy and definitely affordable I got my code in seconds my radio is now working whoop whoop thank you thank you thank you

Christina Freeman · GB · Ford
5 stars
1 day ago Trustpilot

Parfait

Parfait, code reçu en 30 secondes et il fonctionne parfaitement

yan yann · FR
5 stars
1 day ago Trustpilot

Excellent

Excellent, you are always fast to respond with respect and answer any question and problem to customer. First l was doubting l thought I will be scammed.

MiracleZimba · GB
5 stars
1 day ago Trustpilot

Det blev bra hjälp.

Det blev bra hjälp.Fick äntligen igång radion.Tack!

Kent · SE
5 stars
1 day ago Trustpilot

Worked a treat

Did everything it said it would do, worked a treat.Easy to understand and follow.Worked first time.Great service.

Helen · GB
4 stars
1 day ago Trustpilot

Codice autoradio Nissan Note

Servizio efficiente e veloce.Richiesto codice per autoradio Nissan Note domenica pomeriggio e inviato 3h dopo.Non proprio economico ma sicuramente molto meno…

Marco · IT · Nissan
5 stars
1 day ago Trustpilot

Volkswagen Jetta Locked Radio

Needed a code for my Volkswagen Jetta radio that was bought second hand. OnlineRadioCodes.co.uk came through to unlock this radio. Fast, efficient, and easy …

Justin Best · US · Volkswagen
5 stars
1 day ago Trustpilot

Alles gut geklapt nach Zahlung sofort…

Alles gut geklapt nach Zahlung sofort bekommen Pin .

Loreta Borbeck · DE
5 stars
2 days ago Trustpilot

Everytime when I place an order have…

Everytime when I place an order have quick responce with correct code. Nice job, guys!

Alex · EE
5 stars
2 days ago Trustpilot

Muito bom

Muito bom precisei outras vezes e sempre deu certo

Dg auto eletrica · BR
See our 22,048 reviews on Trustpilot

Ready to unlock your Audi radio?

Enter your serial number above and get your unlock code in seconds.

Get my code now
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.
Get my radio code