System Overview: Acknowledgments
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.
Confirmation can be given by the central locking system when locking or unlocking is performed. The basic setting is one long light signal when locking and two short ones when unlocking.