Audi A3 / S3 2004 Unlock Code⚡
2nd Gen | Instant Retrieval | 24/7 Service
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1. Turn on your Audi A3 / S3 2004
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 A3 / S3 2004 radio code?
1. Find the serial number on your radio. Press preset buttons 1 and 6 for 2-3 seconds. Serial number will display on screen. No VIN required!
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 2004 Audi A3 / S3 (2nd Gen)
Your 2004 Audi A3 / S3 (2nd Gen) came equipped with factory radio systems that require unlock codes when power is disconnected. Our service provides instant radio code retrieval for every 2004 Audi A3 / S3 models.
Common Reasons for Radio Lock:
- Battery disconnection or disconnection
- Electrical maintenance in your 2004 A3 / S3
- Radio removal
- Fuse replacement
- Jump-starting 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 2004 Audi A3 / S3 trim levels and radio variants.