See also:

Front seat belts and passenger's front airbag
A. Front seat belts not fastened or unfastened warning lamp. B. Airbag fault warning lamp. C. Front passenger's airbag deactivation warning lamp. ...

Checks
Unless otherwise indicated, check these components in accordance with the servicing booklet and according to your engine. Otherwise, have them checked by a PEUGEOT dealer or a qualified workshop. ...

Rear seats (308 saloon, 308 SW with bench rear seat)
  Bench seat, the left-hand (2/3) or right-hand (1/3) section of which can be folded to adapt the boot load space. Rear head restraints These have a high position (comfort and safety) and ...