Check the brake fluid level in the reservoir
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.
Depress the brake pedal a few times. Check the level of the brake fluid reservoir.
Top up if necessary.
Mount the wheels.
See Installing wheels .