Massage Function Valve Block, Removing And Installing: Notes
WARNING: This page is about a different car, the 2021 Audi e-tron Quattro and 2019 Audi e-tron Quattro. However, it is still accessible from the selected car via links, so may be relevant.
Valve Block 1 in Driver Seat - N475- / Valve Block 1 in Front Passenger Seat - N477-