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:
Every door has a control panel for the power windows. The driver's door has
controls for operating all windows and for activating the child safety locks.
Driver's door control panel.
Electric child safety locks* that
deactivate the controls in the rear doors to prevent the doors or windows from being
opened from the inside...
In order to play media, the following file formats must be used.
Audio files
Video files
Subtitles
DivX®
DivX-certified devices have been tested for high-quality DivX (.divx, .avi) video
playback. When you see the DivX logo, you have the freedom to play your favorite
DivX videos...