Preliminary Work

1. Detach the headliner.

   > WM, 708419 REMOVING AND INSTALLING ROOF TRIM PANEL

2. Remove foam part -1-  from the belt retractor.

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.

   Removing foam part

3. Unscrew screws -2-  and move holder -3-  with parking aid buzzer aside.

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Unscrewing screws