Volvo XC90: Specifications / Engine oil specifications
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.
NOTE
This vehicle is delivered from the factory with synthetic oil.
Do not use oil additives.
Oil viscosity
The wrong oil viscosity can shorten engine service life during normal use.
VCC RBS0-2AE 0W-20 provides good fuel economy and engine protection. See the
viscosity chart.

Viscosity chart
Oil volume
Engine oil volumes (including oil filter) are shown in the table.

Engine specifications (output, etc.) for each engine variant are shown in
the table below.
The specifications for Special Edition vehicles may vary.
NOTE
Not all engines are available on all markets...
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...
Other information:
The fuel tank is equipped with a fuel filling system without a cover.
Refueling the vehicle at a service station
It is important to insert the pump's nozzle past both of the
two flaps in the fuel filler pipe before beginning fueling.
Instructions for fueling:
Turn off the engine and open the fuel filler door...
The vehicle's ignition can be put in various modes (levels) to make different
functions available.
To enable the use of a limited number of functions when the engine is not running,
the ignition can be put in one of three different levels: 0, I and
II...