Rear window regulator switch, removing and installing: Removing

Remove the ashtray by pulling it up from the rear door handle panel.
Use a plastic wedge to remove the trim plate half and lift together with window regulator switch from the door release.
Disconnect the harness connector for the ashtray light and remove the light.
Using a small screwdriver, disengage catch -A- to side and simultaneously press switch out of trim plate in direction of arrow -B-.

Fig 1: Disengaging Catch & Pressing Rear Window Regulator Switch Out Of Trim Plate

Courtesy of AUDI OF AMERICA, INC.