Volvo XC90 Supplement Manual page 16

USB PORTS AND ELECTRICAL SOCKETS
USB ports: There are two USB ports under the armrest in the rear
seat. The ports can be used to e.g. charge a mobile phone or tablet.
The screen bracket* on the rear of the driver's seat head restraint also
includes two USB ports. The ports can be used to e.g. charge a mobile
phone or tablet.
It is not possible to playback media in the car's audio system via the
USB ports.
Electrical sockets: There is one 12 V socket and one 230 V socket
under the armrest in the rear seat.
230 V: The socket can be used for various accessories requiring a
230 V supply, such as chargers or laptop computers (maximum power
output 150 W).
– Plug in the accessory's connector. Disconnect the accessory by
unplugging the connector.
12 V: The socket can be used for various accessories requiring a 12 V
supply, such as music players or mobile phones (maximum power
output 120 W).
– Remove the cigarette lighter from the socket and plug in the acces-
sory's connector. Unplug the accessory's connector and refit the
cigarette lighter when the socket is not in use.
The car's electrical system must be in at least ignition position I for the
USB ports and electrical sockets to supply power.