Front Seat Switch/Switch Module, Removing And Installing: Removing

-- Remove the seat side trim on the side sill side. Refer to SEAT SIDE TRIM ON SIDE SILL SIDE, REMOVING AND INSTALLING .

Equipped on some models: 

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-- Carefully unclip the rocker -1- from the switch module using the : 3409  .

Driver Seat Lumbar Support Adjustment Switch - E176- / Front Passenger Seat Lumbar Support Adjustment Switch -E177- 

Fig 1: Bolts & And Switch Module

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-- Remove the bolts -1- and switch -2-.

Driver Seat Switch Module -E663- / Front Passenger Seat Switch Module - E664- 

Courtesy of AUDI OF AMERICA, LLC

-- Remove the bolts -arrows- and remove the switch module -1-.