Remove the gear selector housing
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2006 Volvo S80, 2005 Volvo S80, 2004 Volvo S80, 2003 Volvo S80, and 2002 Volvo S80. However, it is still accessible from the selected car via links, so may be relevant.
Remove the 4 screws for the gear selector housing.
Carefully tap the control housing using a plastic hammer.
Lift and turn the control housing straight up from the transmission.
Install protective cover 9995724 over the control housing.