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)
Enhance comfort in the front seat by adjusting the sides of the backrest.
The multifunction control is located on the side of the seat
cushion.
The side bolsters in the front seat backrests can be inflated/deflated to adjust
the amount of support provided...
External audio sources, such as an iPod® or MP3 player, can be connected to
the audio system via the vehicle's USB port.
Devices with rechargeable batteries can be charged when they are connected via
the USB port and the ignition is in mode I, II or the engine is running...