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:
The ambient temperature is shown in the instrument panel.
The sensor detects the temperature outside the vehicle.
Location of the ambient temperature sensor in 12"* and 8" instrument
panels. The illustration is generic - details may vary according to vehicle model...
There are a number of things that are important to consider when carrying
loads in or on the vehicle.
Load-carrying capacity is determined by the vehicle's curb weight. The total
weight of all passengers and any installed accessories reduces the vehicle's load-carrying
capacity by the corresponding amount...