Our Phone Lines are Now Closed, Not To Worry...

You can always order online 24 hours a day, most of our radio codes are displayed instantly after purchase.

You can give us call on 01942 604333 ( Mon - Fri 9am-5:30pm ) use our live chat or send us an email 9am - 7pm, 7 days a week.

Worldwide payments accepted.

Audi A4 Radio Codes

Online Only £15.99
Online

Audi A4 Radio Code

decoding service for help please see the "how to" section below. We only supply genuine working Audi radio unlock codes with over 50,000 customers served. Available: Today 8am to 5.30pm. Orders after are delivered next day.

Simple 3 Step Process...

Estimated Delivery Time:

PayPal & all major cards accepted.

The serial is found on the radio label or engraved into the units casing.

  • Award Winning Service.
  • 50,000+ Happy Customers.
  • Emailed Within Minutes.*
  • Expert's On Hand To Help.

How to Find Audi A4 Radio Code Serial

Method 1

1. How To Find Your Audi A4 Radio Serial.

There are 2 types of Audi A4 serial numbers (Audi A4 Navigation Plus see method 2). It is quite simple to remove your Audi A4 radio. You will need a set of radio release keys (PC5-83). These are inexpensive tools, you can obtain them from Amazon.

Once you have the radio release keys, push them into the 4 holes in each corner of the radio (See image), apply a little pressure and the radio will release from the dashboard. The radios label will be located on the radio's casing.

Audi Radio Removal With Keys
2. What To Do Next

The Audi A4 radio serial is a 14 digit serial number for example AUZ1Z1F6412082. Please see image for reference.

Audi Radio Sticker Location

Method 2

How to show your Audi A4 radios serial on the radios display.
For Audi Navigation Plus

With the Audi Navigation Plus system the serial can be displayed on screen rather than taking out the radio unit.

Audi Radio Serial Display

How to Enter your Audi A4 Radio Code

Audi Symphony Radio
  • Once your radio is on and appears in “SAFE” mode
  • Repeatedly press the P.SCAN and RBDS buttons, holding them down, until “1000” lights up. Release the buttons. (Do not continue to hold or press the buttons, or your radio unit will think you are entering the decode "1000")
    • Repeatedly press button 1 until the correct first digit of the code is displayed.
    • Repeatedly press button 2 until the correct second digit of the code is displayed.
    • Repeatedly press button 3 until the correct third digit of the code is displayed.
    • Repeatedly press button 4 until the correct fourth digit of the code is displayed.
  • If you have entered the code correctly on the radios display, press the P.SCAN and RBDS simultaneously again, holding down until SAFE is displayed.
Audi Concert Radio
  • Once your radio is on and appears in “SAFE” mode
  • Repeatedly press the FM 2 and RDS buttons, holding them down, until “1000” lights up. Release the buttons. (Do not continue to hold or press the buttons, or your radio unit will think you are entering the decode "1000")
    • Repeatedly press button 1 until the correct first digit of the code is displayed.
    • Repeatedly press button 2 until the correct second digit of the code is displayed.
    • Repeatedly press button 3 until the correct third digit of the code is displayed.
    • Repeatedly press button 4 until the correct fourth digit of the code is displayed.
  • If you have entered the code correctly on the radios display, press the FM 2 and RDS repeatedly again, holding down until SAFE is displayed.
Audi Delta CC Radio
  • Once your radio is on and appears in “SAFE” mode
  • Repeatedly press FM (1/2) and DX buttons, holding them down, until “1000” lights up. Release the buttons. (Do not continue to hold or press the buttons, or your radio unit will think you are entering the decode "1000")
    • Repeatedly press button 1 until the correct first digit of the code is displayed.
    • Repeatedly press button 2 until the correct second digit of the code is displayed.
    • Repeatedly press button 3 until the correct third digit of the code is displayed.
    • Repeatedly press button 4 until the correct fourth digit of the code is displayed.
  • If you have entered the code correctly on the radios display, press the FM 2 and RDS repeatedly again, holding down until SAFE is displayed.
Audi Bose Radio
  • Once your radio is on and appears in “SAFE” mode
  • Repeatedly press FM 1 and AM buttons, holding them down, until “1000” lights up. Release the buttons. (Do not continue to hold or press the buttons, or your radio unit will think you are entering the decode "1000")
    • Repeatedly press button 1 until the correct first digit of the code is displayed.
    • Repeatedly press button 2 until the correct second digit of the code is displayed.
    • Repeatedly press button 3 until the correct third digit of the code is displayed.
    • Repeatedly press button 4 until the correct fourth digit of the code is displayed.
    • The 1st button will only be a 1 or left blank, the following three digits will be number 1 through 9.
  • If you have entered the code correctly on the radios display, press the FM 1 and AM repeatedly again, holding down until SAFE is displayed.
Audi Sound Choice Radio
  • Once your radio is on it should appear “CODE”
  • If you press the Preset Station Selector Button “Code” will be replaced by “0000”
    • Repeatedly press button 1 until the correct first digit of the code is displayed.
    • Repeatedly press button 2 until the correct second digit of the code is displayed.
    • Repeatedly press button 3 until the correct third digit of the code is displayed.
    • Repeatedly press button 4 until the correct fourth digit of the code is displayed.
    • The 1st button will only be a 1 or left blank, the following three digits will be number 1 through 9.
    • Make sure to enter the code in the space of 1 minute or it will interrupt the process.
  • If you have entered the code correctly on the radios display, press the fifth button.

*Free Audi A4 Radio Code instructions are also sent after purchase

Other Popular Audi Radio Codes

Why Choose us to Decode your Audi A4 Radio?

Audi A4 radio codes

First and foremost we value customer service, it is one of our core values and why we are one of the very few companies to offer a money back guarantee. We go above and beyond to give our customers the fastest and most knowledgeable service, rest assured your in safe hands.

OnlineRadioCodes.co.uk is the U.K's No.1 Radio Code Company. We was established off the back of many customers not being happy to pay the prices of local garages and dealerships to unlock their car radio. Once you have the serial number for your A4 radio, enter this into our simple 3 step process to get your radio unlock code online.

Most of Our Audi A4 radio codes are instantly available, and display on screen after purchase. You can also call our radio experts on 01942 604333 to obtain your radio decode instantly over the phone via credit or debit card. Our phone lines are available from 9am - 5:00pm (Mon - Fri).

We also offer a free Audi A4 radio code lifetime code retrieval service, so if you ever misplace or lose your stereo code you don't need to worry! The code we provide is the original code for the radio supplied when the vehicle was first manufactured. Radio decodes are requested directly from our large databases or decoded in house by our specialist radio decoding tools.

Page Updated:

Over 50,000 Happy Customers Served