Volvo XC90: Specifications / Fuel tank volume
The fuel tank's refillable volume is shown in the table below.

The medium in the hydraulic brake system is called brake fluid and is used
to transfer pressure from e.g. a brake pedal via a master brake cylinder, which
in turn actuates the brake calipers...
The climate system in the vehicle uses a freon-free R1234yf refrigerant. For
information regarding the refrigerant, refer to the decal located on the inside
of the hood...
Other information:
(The same setting applies to the rear seats with the 2-zone climate system.)
The temperature can be set to the desired number of degrees for the front
seat climate zones.
Temperature buttons in the climate bar.
Tap the left- or right-side temperature buttons in the center display's
climate bar to open the control...
Three-way catalytic converter
Keep your engine properly tuned. Certain engine malfunctions, particularly
involving the electrical, fuel or distributor ignition systems, may cause unusually
high threeway catalytic converter temperatures. Do not continue to operate your
vehicle if you detect engine misfire, noticeable loss of power or other unusual
operating conditions, such as engine over..