Backrest Adjustment Hand Wheel, Removing And Installing: Removing

-- Move the front seat all the way forward and up.

-- Turn the backrest adjustment hand wheel -1- until one catch is visible from behind -arrow A-.

Courtesy of AUDI OF AMERICA, LLC

-- Hook the Assembly Tool: 3399  -2- on the catch and pry off the hand wheel in direction of -arrow B-.

-- Turn the backrest adjustment hand wheel another 120° and repeat the process.

-- Remove the backrest adjustment hand wheel.