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:
Screw the spare tire's retaining bolt back on.CAUTION
Do not attempt to unscrew the lower part of the retaining bolt if it
is attached to the body, as this could cause it to break.
If the retaining bolt becomes dislodged from its lower attachment point
in the body under the spare tire, replace it in the hole and turn clockwise
to secure it again...
(Option/accessory.)
(Depending on market, this function can be either standard or optional.)
Pilot Assist functionality may be reduced in certain situations.
Pilot Assist is a driver support function designed to simplify driving and assist
the driver in many situations...