Regularly updating your system's software provides more than just new maps:
Flash files (.frf or .sgo) for non-infotainment modules like the instrument cluster, parking sensors, and climate control. Typical Update Procedure audi flash dvd 2011 2021
This appears when the MMI laser lens becomes dirty or weak. The dual-layer 2021 discs require a strong laser. Use a lens cleaning disc first. If that fails, the MMI drive may need replacement. Regularly updating your system's software provides more than