CITROEN DS3 Owner's Handbook Manual page 144

008
Safety
This section describes the operation of the direction indicators, hazard
warning lamps and the horn to warn other road users, the emergency
or assistance call in the event of an accident or breakdown, the various
braking and trajectory control systems for maintaining control of your
vehicle, the seat belts and airbags to reduce the risk of injury in the event
of a collision.