Check seat belt function
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.
Check that the seat belt (inertia) reel inhibits seat belt movement correctly. Pull and jerk the belt repeatedly to check the function.
WARNING:
The ignition must never, under any circumstances, be switched on when the connector for the SRS ignition cable is being removed or installed.
Ignition in position II. Connect the battery negative lead.
NOTE:
Check that the SRS indicator lamp is not defective by turning the key to position II. The SRS indicator lamp must light and go out after approximately 7 seconds.
Check that the SRS indicator lamp in the combined instrument panel is not constantly lit. Fault-trace the SRS system if the lamp is constantly lit.