Controlling functions and menu selection using the steering wheel buttons

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2007 Volvo V70, 2006 Volvo V70, 2005 Volvo V70, 2004 Volvo V70, and 2003 Volvo V70. However, it is still accessible from the selected car via links, so may be relevant.

See:

Design and Function, audio module (AUM) Applies to the S60, V70, XC70 and S80
Design and Function, Road traffic information system (RTI). Applies to the S60, V70, XC70 and S80
Design and Function, multimedia module (MMM). Applies to XC90
Design and Function, engine management system
Design and Function, phone module (PHM).