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 Road Sign Information (RSI1) function can help the driver observe
speed-related road signs.
Examples of signs that can be detected2.
If the vehicle passes a speed limit sign, it will be displayed in the instrument
panel and the head-up display*...
All power windows and sun curtains* have a pinch protection function that
is triggered if anything blocks them while they are opening or closing.
If pinch protection is activated, movement will stop and then retract automatically
to approx. 50 mm (2 inches) from the point at which it was blocked (or to full ventilation
position)...