Trim, removing and installing

WARNING: This page does not describe the selected car, but rather 15 other vehicles, including the 2008 Audi S4, 2008 Audi RS 4, 2008 Audi A4, 2007 Audi S4, and 2007 Audi RS 4. However, it is still accessible from the selected car via links, so may be relevant.

Removing

Tilt sunroof open
Push sliding headliner fully back

Fig 1: Unclip Lower Panel At Rear From Locking Mechanism And Slide Toward Front

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Unclip lower panel -1- at rear in direction of arrow - A - from locking mechanism and slide toward front - arrow B -.
Remove lower trim from guide track by pulling towards center of vehicle.
Unclip front and center of trim - 2 - and remove in direction of arrow.

Installing

Fig 2: Pressing On Lower Panel Onto Upper Edge Of Retaining Rail

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Press on lower panel - 1 - onto upper edge - arrows - of retaining rail - 2 -.

Fig 3: Sliding Lower Panel Toward Rear Until Hook Catches In Coupling Plate

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Slide lower panel - 1 - toward rear in - direction of arrow - far enough until hook catches in coupling plate - 2 -.
Press in upper trim in link guide.