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:
(Option/accessory)
The second row of seats can be adjusted to make it easier to get in and out
of the third row of seats*.
The illustration is generic.
To fold down the backrest:
Pull the handle on the upper side of the right or left outboard second row
seat upward/forward...
If you import a vehicle or move to another country, it is important that you
register the vehicle in the new market to help ensure that online services work
correctly, that the vehicle meets local laws and regulations, etc.
Visit an authorized Volvo retailer
Visit an authorized Volvo retailer for assistance registering the vehicle in
the new market...