Steering wheel buttons
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 steering wheel buttons control functions and menu selection for:
- Traffic information (option)
- Audio (option)
- Carphone (option)
- Cruise control (option).
The signals from the steering wheel buttons are transmitted via serial communication.
The steering wheel buttons are connected in series to the steering wheel module (SWM) via contact reel in the steering wheel hub. The steering wheel buttons are connected in the following order, counted from the contact reel:
- Cruise control
- Audio /carphone
- Traffic information.
There are diagnostics for the steering wheel buttons.