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:
(Option/accessory.)
Here are some useful tips for when you use CarPlay®1.
Update your iOS device with the latest version of the iOS operating system
and ensure that the apps have been updated.
In the event of a problem with CarPlay, unplug the iOS device from the USB
port and then plug it in again...
The battery in the remote key must be replaced when it is discharged.
NOTE
All batteries have a limited service life and must eventually be replaced
(does not apply for Key Tag). The battery's service life varies depending on how
often the vehicle/key is used...