Audi A6 / S6 / RS6 2003 Unlock Code⚡
C5 | Instant Retrieval | 24/7 Service
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1. Turn on your Audi A6 / S6 / RS6 2003
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!
How to get your Audi A6 / S6 / RS6 2003 radio code?
1. Find the serial number on your radio. Press preset buttons 1 and 6 for 2-3 seconds. Serial number will appear 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 2003 Audi A6 / S6 / RS6 (C5)
Your 2003 Audi A6 / S6 / RS6 (C5) came equipped with factory radio systems that require unlock codes when battery is replaced. Our service provides fast radio code retrieval for every 2003 Audi A6 / S6 / RS6 models.
Common Reasons for Radio Lock:
- Battery disconnection or disconnection
- Wiring work in your 2003 A6 / S6 / RS6
- Radio replacement
- Fuse replacement
- Boosting after battery died
- Purchased pre-owned vehicle 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 2003 Audi A6 / S6 / RS6 trim levels and radio variants.