Driver Information Module (2001): Function: Handbrake
WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2009 Volvo S60, 2008 Volvo S60, 2007 Volvo S60, 2006 Volvo S60, and 2005 Volvo S60. However, it is still accessible from the selected car via links, so may be relevant.
A switch is connected to the combined instrument panel (driver information module) (5/1) which detects the incoming signal indicating whether the handbrake is applied or not. The switch is activated and the lamp is lit when the handbrake is applied. This signal is directly connected.