Volvo V50 Owner's Manual page 22

Switch for SRS in ON position.
Switch position
ON = Airbag (SRS) activated. With the
switch in this position, persons taller than
140 cm (4 ft 7) can sit in the front passenger
seat, but never children in a child seat or on a
booster cushion.
Switch for SRS in Off position.
OFF = Airbag (SRS) is deactivated. With the
switch in this position, children in a child seat
or on a booster cushion can sit in the front
passenger seat, but never persons taller than
140 cm (4 ft 7).
WARNING!
Do not allow anyone to sit in the front
passenger seat if the text message in the
roof panel indicates that the airbag (SRS)
is deactivated and the airbag warning
symbol is displayed in the combined
instrument panel. This indicates that there
has been a severe malfunction. Contact
an authorised Volvo workshop as soon as
possible.
Safety
21