100% Money Back Guarantee • 500,000+ Happy Customers

Audi A4 Radio Codes

Audi A4 Radio Codes online service 24 hours a day 7 days a week.

Secure Checkout Secure Checkout

Audi A4 Radio Codes

How To Find Your Serial Number

1. How Do I Find My Removing Your Audi A4 Radio Radio's Serial Number?

Removing Your Audi A4 Radio

Watch Video

There are 2 types of Audi serial numbers. It is simple to remove your Audi A4 radio. You will need a set of radio release keys. These are inexpensive tools, you can obtain them from Amazon.

Push the keys into the 4 holes in each corner of the radio, apply pressure and the radio will be freed from the dashboard. The radios label will be located on the radio's casing.

1. How Do I Find My Finding Your Audi A4 Serial Number Radio's Serial Number?

Finding Your Audi A4 Serial Number

An Audi serial is 14 digits and starts "AUZ" for example AUZ1Z1F6412082. Please see the image for reference.

If for any reason the label is unclear or ripped off, the AUZ serial will be compressed into the metal casing on the side.

3. How Do I Find My Audi A4 Navigation Serial Number Radio's Serial Number?

Audi A4 Navigation Serial Number

The Audi Navigation system serial is displayed on-screen, the serial is not printed on the label on the back.

As shown in the example image, the serial number will display across the bottom.

Take note of the "AUZ" serial and input the radios information to get your code today.

Page Updated:

Why Choose Us?

The Worlds No.1 Radio Code Company

OnlineRadioCodes.co.uk is the leading supplier of radio codes worldwide. We have car radio experts on hand to give you the best advice possible.

500,000 Happy Customers

We've helped over 500,000 customers unlock their car radio online. We can help you too. We have an in house dedicated team of radio experts on hand to unlock your radio today.

100% Money Back Guarantee

First and foremost we value customer service, it is one of our core values and why we are one of the only companies to offer an 100% money back guarantee.

Lifetime Free Radio Code Retrieval

If you ever misplace or lose your stereo code theres no need to worry! Once you purchase from us you can retrieve you radio code at anytime again.

Frequently Asked Questions

What People Are Saying

4.90 out of 5 (1052 reviews)
audi Radio Code

Was really easy and simply...

Was really easy and simply and for the price of 9.99 its much cheaper than getting a replacement unit. Great service.

GB
Cameron Atkins 30 April
audi Radio Code

Does what it says it...

Does what it says it is going to do

GB
Anonymous 30 April
audi Radio Code

Took less than 2 minutes...

Took less than 2 minutes to send the code and it worked first time. Excellent service. Will recommend to everyone.

GB
Anonymous 27 April
audi Radio Code

Very quick and efficient service...

Very quick and efficient service

GB
Anonymous 26 April
audi Radio Code

Audi RNS-D radiocode worked!...

Audi RNS-D radiocode worked!

GB
Anonymous 26 April
audi Radio Code

After some confusion mainly on...

After some confusion mainly on my part, I rang up and the young lady gave me the code and a refund of my first mistaken application. Many thanks. john.

GB
Susan 25 April
audi Radio Code

VERY QUICK AND EFFICIENT...

VERY QUICK AND EFFICIENT

DE
BA Transmissions Ltd 24 April
audi Radio Code

Quick and easy to use...

Quick and easy to use And the code came through very quickly no waiting

GB
Paul Taylor 24 April
audi Radio Code

Did exactly what they said...

Did exactly what they said and the code worked!

GB
Anonymous 22 April
audi Radio Code

First class service and great...

First class service and great value

GB
Michael Mcclory 21 April

Trusted By

  • Carshop
  • Carcraft
  • Evans Halshaw
  • Vanarama
  • Fords of Winsford

Audi A4 Radio Codes

24 Hours
Get Code