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: Opening Ashtray So That It Passes Hooks
Courtesy of VOLVO CARS OF NORTH AMERICA.
Open the ashtray so that it passes the hooks. Remove the holder for the ashtray. Press the catches down and remove the holder.