A1 (8X) – APS rear radar volume
Function to be activated via VCDS - VAG-COM software
Description of the option: Used to choose the volume of the rear radars of the Audi Parking System.
[10 - Parking assistance] -> [Adaptation - 10] -> Select "Speaker volume for rear park assist" in the list of values
Choose the new value in the second list (from Stage 1 to Stage 9)