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.)
(Depending on market, this function can be either standard or optional.)
Adaptive Cruise Control (ACC1) can be deactivated and put in standby
mode. This may happen automatically or be due to driver intervention.
Standby mode means that the function is selected in the instrument panel but
not activated...
(Option/accessory)
Interior Air Quality System (IAQS) is a fully automatic air quality system
that removes gases and particles to reduce odors and contaminants in the passenger
compartment.
IAQS is part of the Clean Zone Interior Package (CZIP) and removes air contaminants
such as particles, hydrocarbons, nitric oxides and ground-level ozone...