Audi A4 / S4 / RS4 2006 Unlock Code⚡

B7 | Instant Retrieval | 24/7 Service

Audi A4 / S4 / RS4 2006 car photo
Dealer price $120 92% Off!
Our price: only $9.99
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100% Money-back guarantee if the code doesn't work

Your code is displayed right away after finishing your purchase and is transmitted to your email as well. We're available anytime.

Code fails? You're protected by our Full Refund Guarantee. Simply send us a video that shows the combination of the code entry and serial number together. Simple process.

View our complete Refund Policy.

Once you have your code:
1. Turn on your Audi A4 / S4 / RS4 2006
2. Your radio will display "Enter Code" or "CODE"
3. Use preset buttons to enter each digit
4. Press and hold button 6 to confirm
5. Your radio unlocks immediately!
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How to get your Audi A4 / S4 / RS4 2006 radio code?

1. Find the serial number on your radio. Hold down preset buttons 1 and 6 for 2-3 seconds. Serial number will show up on screen. VIN not needed!

2. Enter your serial number in the field on the left

3. Proceed to checkout to instantly receive your unlock code

Compatible Radio Types:

  • Audi OEM
  • Blaupunkt
  • Siemens

Serial Number Patterns:

Your radio serial may start with: AUZ, BP

Serial Number Examples:

AUZBZ7A1234567 (AUZ)

About 2006 Audi A4 / S4 / RS4 (B7)

Your 2006 Audi A4 / S4 / RS4 (B7) came equipped with factory radio systems that require unlock codes when electrical power is lost. Our service provides immediate radio code retrieval for all 2006 Audi A4 / S4 / RS4 variants.

Common Reasons for Radio Lock:

  • Battery change or disconnection
  • Wiring work in your 2006 A4 / S4 / RS4
  • Radio service
  • Fuse replacement
  • Boosting after dead battery
  • Purchased used car without code card

Why Our Service is Better:

⚡ Instant vs Days of Waiting
Dealer: 2-5 business days
Our service: Seconds

💰 $9.99 vs $120+ Dealer Price
Dealer: $120-$200
Our service: $9.99

No VIN required - just your radio serial number! Works for all 2006 Audi A4 / S4 / RS4 trim levels and radio variants.