No there is no code on the serial number, you would have to get the code from the dealer with the serial number on the radio.
You have to call your nearest Audi dealership and address your problem to them. Have your VIN (Vehicle Identification Number) ready. They will ask you for it. If the radio is not originally from the car, you will have to have the serial number to the radio ready. They will after tell you the code via phone.
To find the radio code for your Audi A3, check your vehicle's owner's manual, as the code is often printed there. If you can't find it, look for a card or sticker within the glove compartment or the trunk. Alternatively, you can contact an Audi dealership with your vehicle identification number (VIN) for assistance, or use online services that may offer code retrieval based on the radio's serial number.
Your code is: 1669
If you have the serial number you can look up the code or have someone look it up for you. If you do not know the serial number then you will have to take out your radio as the number is on the back of the radio.
unless you have the 4 digit number you cant...a visit to Audi is the only way
Remove the radio and write down the serial number off of the radio. Call the dealer with the serial number and the VIN from your vehicle and they can give you the code.
first you need the serial number of the radio which is located on the back of the radio. Honda will charge you about $60 to remove the radio and get the serial number. once Honda has the serial number they can look up the radio code on their computer system
To reset the radio code in a 1997 Audi A8, you typically need to turn on the ignition, then turn on the radio. If the radio displays "SAFE," you will need to enter the correct code. This code can usually be found in the owner's manual or provided by an Audi dealership. If you don't have the code, you may need to contact a dealership with your vehicle identification number (VIN) for assistance.
The dealer has the unlock code for your radio. Call them with the serial number of your radio for the code.
Check with the dealer to see if they can get you a code from your serial number, locate the card that came in the owners manual with the code on it, or remove the stereo to get the serial number from the chassis
Unfortunately the code can not be retrieved from a working radio. If you can not find the code you have to get the serial number of the radio and call the dealer for the code.