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:
Some of the exterior lights remain on to illuminate the area around the vehicle.
This is called home safe lighting.
To activate home safe lighting:
Switch off the ignition.
Push the left-side steering wheel lever toward the dashboard and release.
Exit the vehicle and lock the doors...
When the center display starts up, the selected driver profile will be shown
at the top of the screen. The most recently used driver profile will be active the
next time the vehicle is unlocked. A different driver profile can be selected once
the vehicle has been unlocked...