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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 21,867 reviews on Trustpilot
Trustpilot 4.5 out of 5 stars on Trustpilot TrustScore  4.5 | 21,867 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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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.
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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.
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 stars
1 hour ago Trustpilot

Very easy to use their interface

Very easy to use their interface, make sure you type the correct serial number for car, I received my pin within 5 minutes after purchasing their service. Wo…

Abdul · GB
5 stars
4 hours ago Trustpilot

Very quick & efficient service

Very quick & efficient service

Mark Palethorpe · GB
5 stars
1 day ago Trustpilot

The code worked

The code arrived within exactly 6 hours, and worked straight away very happy.

Jodi Cripwell · GB
5 stars
1 day ago Trustpilot

Excellent service.

Excellent service quick and easy to do and immediate response great.

Anthony sanders · GB
5 stars
1 day ago Trustpilot

Code turned up within minutes and…

Code turned up within minutes and worked perfectly, would definitely use again.

Martin Gould · GB
5 stars
1 day ago Trustpilot

great it works—music, baby!

make sure your serial is right. and you know how to enter they give you into your car. but it worked. thanks.

D money · CA
4 stars
1 day ago Trustpilot

Code worked great took a little while…

Code worked great took a little while to get here but definitely with it avoiding the Dealership

Brad Keskey · US
5 stars
2 days ago Trustpilot

Excellent service

Excellent service, Code sent very quickly.

Tony Barton · GB
5 stars
2 days ago Trustpilot

Super easy and worked perfectly

Super easy and worked perfectly, stereo backup and running

Dom · GB
See our 21,867 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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