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 can be started using the start knob in the tunnel console when
the remote key is in the passenger compartment.
Start knob in the tunnel console.
WARNING
Before starting:
Buckle your seat belt.
Adjust the seat, steering wheel and mirrors...
Approach lighting is activated when the vehicle is unlocked and can be used
to provide light as you walk toward the vehicle.
The function is activated when the remote key is used for unlocking. The parking
lights, ceiling lights, footwell lights and trunk/cargo compartment lights are activated
in daylight conditions...