Where is the manual unlock code for the old A6 audio system?

[DiJaxon]

The manual unlock code for the old A6 audio system is located in the storage compartment on the right side. Solution for forgetting the password: Turn on the radio, the display should show "SAFE". Simultaneously press the "AM/FM" and "SCAN" buttons, and release when "1000" appears on the display. Do not hold these buttons for too long or press them twice, otherwise "1000" will be entered as the password. Use the first four tuning preset buttons (4) to input the password provided by the owner. Use the "1" button to input the thousands digit, the "2" button to input the hundreds digit, pressing the corresponding number of times, and so on. The display should show the entered digits. After correctly entering the password, simultaneously press the "AM/FM" and "SCAN" buttons until "SAFE" appears. Release both the "AM/FM" and "SAFE" buttons, and after a short while, the display should show the radio frequency, indicating that the audio system is unlocked and can function normally. Function: Today's car audio systems have reached high standards in terms of sound quality, operation, and vibration resistance, capable of handling the bumps on rough roads while ensuring stable performance and perfect sound quality.

[GrahamMarie]

When I used to play with the old A6, I was often troubled by the audio system lock. This password is usually hidden in three places: First, check the manual folder that came with your car—there might be a small card with a four-digit code inside the black leather holder. If you can't find it there, lift the trunk mat and look inside the spare tire well for a palm-sized white sticker. It should have a 14-digit serial number starting with "AUZ," which you'll need to enter on Audi's official website to retrieve the password. If all else fails, take your vehicle registration to the dealership and have them connect to the German server to look it up—just remember to take a photo of the last eight digits of your VIN beforehand. When the system is locked, don’t randomly try codes—entering the wrong password three times will lock the system for an hour.

[VanSienna]

The password for my 2007 A6 is stuck on the spare tire cover. Lift up the bottom layer of the trunk, and you'll either find the spare tire pressing against a silver sticker or a barcode-labeled paper slip. The most important thing is that alphanumeric code starting with AUZ. Take a clear photo of this code with your phone, then call Audi's 400 hotline and provide the last eight digits of the VIN to look it up. If you're checking the official website's decoder page yourself, enter all letters in uppercase without any spaces in the input box. One detail to note: the factory sticker tends to smudge when wet. If the numbers become illegible, you'll need to bring your ID to an Audi dealership to verify ownership—their system can pull up the original records.

[Jasper]

To find the audio password, focus on three key points. First, check the glove compartment for a folded password card, usually on light blue paper. Second, open the hood and look for a sticker inside the battery box cover—older Audis often place it there. Lastly, locate the VIN aluminum plate under the passenger foot mat and note the last eight digits. Take this number to the dealership's service department; their computer connects to the German database and can unlock it in about ten minutes. I’ve personally tried cheap online decoders (under $20), but they’re useless—only specialized diagnostic tools can bypass the anti-theft system. If you can’t find it, avoid forcing the unit open, as the audio ribbon cables are very fragile.