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 low-speed function (LSC1) facilitates and improves control
and traction on rough roads and slippery surfaces, e.g. when towing a trailer on
grass or up boat ramps.
In vehicles equipped with drive mode control *, the function is included in
the Off Road drive mode...
It may be necessary to drive the vehicle through standing water e.g. deep
puddles or flooding on the road. This must be done with great caution.
The vehicle can be driven through water up to a depth of 45 cm (17 in) at no
more than walking speed. Be particularly careful when driving through flowing water...