How to enter the audio password for Audi A4?
3 Answers
Press and hold the SCAN and RDS buttons simultaneously until the SAFE value changes to 1000, then begin entering the password. First, press and hold the knob, then rotate it to start entering the password. After entering the password, press and hold the knob again and rotate it to the OK position to confirm the password entry. If the wrong key is pressed for the 10th time, the anti-theft system will be triggered, the HELP message will appear on the display, the audio system indicator will light up, and the audio system will become completely inoperative.
Entering the audio code for an Audi A4 is actually quite simple. After turning on the car's power, the audio system will automatically display an interface prompting you to enter the code, usually showing "Enter Code" or similar text. Use the numbered buttons on the audio panel to input your four-digit code—each button is labeled with numbers 1-9, similar to dialing a phone number. Once done, remember to press the confirm button, sometimes labeled ‘OK’ or ‘Enter’. If you forget the code, don’t panic—you can check the owner’s manual or look for a sticker in the glove compartment. Contacting an Audi dealership with your VIN can also help retrieve it. Key point: Avoid entering the wrong code too many times, as the system may lock and require professional unlocking. The interface may vary slightly between different model years—older A4s may use a rotary dial while newer ones might have a touchscreen—but the logic remains similar. I’ve succeeded with this method before and recommend saving the code in your phone’s notes to avoid awkward situations.
I recently dealt with the audio lock issue on my Audi A4. When entering the code, first start the car or power it on, and the audio screen will light up prompting for input. Manually enter the digits: the buttons from left to right correspond to 1234567890. After entering the four-digit code, press the center confirmation button. If it's dark, turn on the light to see the buttons clearly. If you can't find the code, check the purchase documents or log into the Audi owner app to view registration details. If you enter the wrong code more than three times, it will prompt a lockout, and you'll need to contact the dealer. I think this is mainly an anti-theft design, but it can easily be triggered during routine power disconnections like battery changes. I usually keep the code written on a small card in the glove box to avoid hassle. A locked audio system can ruin the driving mood, especially on long trips, so take your time, double-check the numbers, and then press Enter. Different Audi A4 models may have different button layouts, but the principle remains the same.
