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 vehicle's trip computer registers data while driving such as mileage,
fuel consumption and average speed.
To help promote fuel-efficient driving, data is recorded on both current and
average fuel consumption. Data from the trip computer can be displayed in the instrument
panel...
(Option/accessory.)
(Depending on market, this function can be either standard or optional.)
Pilot Assist can be deactivated and switched off.
A green steering wheel indicates that Pilot Assist is providing
steering assistance.
Press the button on the steering
wheel (2)...