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)
In vehicles with 6 or 7 seats*, the seats in the second row can be moved forward
or rearward individually to help adapt legroom for passengers in the second and
third rows. The second row seats cannot be moved forward or backward in 5-seat models...
Adjust the center seat's head restraint to suit the height of the passenger.1
Fold down the outer seats' head restraints* to improve rear visibility.
Adjusting the center head restraint
The center head restraint should be adjusted to suit the passenger's height...