Replacing center head restraint
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.
Pull up the head restraint to its highest position.
Insert a 3.5 mm (0.138 in) diameter drift in the hole in the sleeve (left-hand side only).
Press and lift the head restraint from the sleeves.
Pull the head restraint straight up.