Clock, 12 or 24 hour display
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.
The clock in the combined instrument panel can be set to display using the 12 or 24 hour clock
The service interval is programmed via the vehicle communication socket under function group 3, central electronic module (CEM), Programming the driver information module (DIM).