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:
The vehicle's ignition can be put in various modes (levels) to make different
functions available.
To enable the use of a limited number of functions when the engine is not running,
the ignition can be put in one of three different levels: 0, I and
II...
Volvo ID is a personal ID that gives you access to a range of services using
a single username and password.
NOTE
The available services can vary over time and depend on equipment level
and mar- ket.
Examples of services:
Volvo On Call-app - check your vehicle using your phone...