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:
(Option/accessory)
The seats can be heated for added comfort for the driver and passengers in
cold weather.
Tap the left- or right-side
steering wheel and seat button in the center display's climate bar to open the
controls for steering wheel and seat heating...
(Option/accessory.)
The BLIS1 function is designed to help provide assistance in heavy
traffic with several lanes moving in the same direction by helping the driver to
detect the presence of vehicles in the "blind spot" area behind and to the side
of the vehicle...