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:
Activating and deactivating
An integrated compass1 in the upper right corner of the rearview
mirror shows the direction the vehicle is traveling.
The compass is automatically activated when the vehicle is started.
To deactivate/activate the compass manually:
Use a paper clip or similar object to press the button on the bottom of
the mirror...
The Lane Keeping Aid (LKA1) function is optional – the driver can
choose to have the function activated or deactivated.
Activate or deactivate the function
using this button in the center display's Function view.
GREEN button indicator light – the function is activated...