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:
When driving with the lighting ring in the
position, low beam will be automatically
activated in weak daylight or dark conditions, when the ignition is in the II
position.
Lighting ring in AUTO position.
With the lighting ring in the position,
the low beams will be automatically activated if:
the front fog lights* are activated
the rear fog light is activated
the rear and front fog lights ar..
(Option/accessory.)
Adaptive Cruise Control (ACC1) may have limited functionality in
certain situations.
Steep roads and/or heavy loads
Adaptive Cruise Control is primarily intended to be driven on flat roads. The
function may not be able to maintain the correct time interval to the vehicle ahead
when driving down steep hills. The driver should be extra attentive and prepared
to apply the brak..