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:
Volvo recommends the use of detergent gasoline to control engine deposits.
Deposit control gasoline (gasoline with detergent additives)
Detergent gasoline is effective in keeping injectors and intake valves clean.
Consistent use of deposit control gasolines will help ensure good driveability and
fuel economy...
The air conditioning cools and dehumidifies incoming air as needed.
When the air conditioning is activated, it will be switched on and off automatically
by the climate system as needed.
Tap the symbol in the center
of the climate bar to open Climate view in the center display...