Removing the Relay Box
WARNING: This page is about a different car, the 2002 Volvo C70, 2001 Volvo C70, 2000 Volvo C70, 1999 Volvo C70, and 1998 Volvo C70. However, it is still accessible from the selected car via links, so may be relevant.
Insert a screwdriver between the bracket and the relay box. Turn the screwdriver so that the bracket opens out. At the same time, pull the relay box out of the bracket towards the underside of the dashboard. Lift the relay box off the bracket. Pull the relay box downward under the dashboard.