How to Unlock the Audio System of an Older Audi A6?

[Elijah]

Here are the steps to unlock the audio system of an older Audi A6: 1. On the CD player, simultaneously press the FM2 button and the button below it. 2. When "SAFE" appears on the display, enter the password, then continue holding both buttons until "SAFE" appears again before releasing. 3. Press and hold the FM2 + MONO buttons for 3 seconds; the display will then show the password input prompt. 4. Refer to the radio code in the manual, enter the password, and then press and hold the FM2 + MONO buttons for 3 seconds to unlock the system. Below are the main differences between the older and newer models of the Audi A6: 1. In terms of exterior design, the most noticeable change in the new Audi A6L compared to the previous generation is that the front grille, which was previously divided by the front bumper, has been transformed into a complete trapezoidal grille. 2. Regarding configuration, the domestic new Audi A6L offers seven body color options: Ebony Black, Bright Silver, Oyster Gray, Arctic Blue, Polar White, Atlas Gray, and Night Blue.