Volvo XC90: Specifications / Transmission fluid specifications
Under normal driving conditions, the transmission fluid will not need to be
changed during the transmission's service life. However, it may need to be changed
if the vehicle is driven frequently in adverse driving conditions.

Engine oil of type VCC RBS0-2AE 0W-20 must be used. Lower oil grades may not
offer the same fuel economy, engine performance or engine protection.
Volvo recommends:
General
See the Service and warranty booklet for information about oil change intervals...
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...
Other information:
External audio sources, such as an iPod® or MP3 player, can be connected to the
audio system via any of the vehicle's USB ports. If the vehicle has two USB ports,
the phone must be connected to the port with the white frame to use Apple CarPlay*
or Android Auto*...
(Option/accessory.)
The cargo net helps prevent objects in the cargo compartment from entering
the passenger compartment in the event of a sudden stop or hard braking.
The cargo net is attached at four points.
For safety reasons, the cargo net must always be mounted and secured according
to the following description...