Volvo V70 Owner's Manual page 17

Activating/deactivating the front passenger airbag (SRS) (option)
Indicator showing that the passenger airbag
(SRS) is deactivated.
PACOS (option)
The airbag (SRS) for the front passenger seat
can be deactivated.
This is necessary if a child seat is to be placed
there.
Indicator
A text message in the rearview mirror indicates
that the passenger airbag (SRS) is deactivated.
16
8803403m
PACOS (Passenger Airbag Cut Off Switch)
Activating/deactivating
The switch is located on the passenger end of
the dashboard and is accessible when the
passenger door is open. Check that the switch
is in the required position. Volvo recommends
that that the ignition key is used to change
position. (Other items with a shape similar to a
key can be used.)
WARNING!
8803406m
WARNING!