WARNING: This page is about a different car, the 2002 Volvo C70, 2001 Volvo C70, 2000 Volvo C70, 1999 Volvo C70, and 1998 Volvo C70. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Removing Panel Between Dashboard Center Console And Center Console
Courtesy of VOLVO CARS OF NORTH AMERICA.
Remove the panel (the pen holder) between the dashboard center console and the center console.
Pry out the panel at both ends. Use a weatherstrip tool.