CITROEN C4 CACTUS Handbook page 18

Instruments
Deactivation indicator lamps
If one of the following indicator lamps comes on, this confirms that the corresponding system has been switched off intentionally.
This is may be accompanied by an audible signal and the display of a message.
Warning / indicator lamp
Passenger's
front airbag
Dynamic
stability control
(DSC/ASR)
16
State Cause
fixed.
The control switch, located in the
glove box, is set to the OFF position.
The passenger's front airbag is
deactivated.
You can install the child seat
rearward facing, unless there is an
airbag fault (Airbag warning lamp on).
fixed.
The button is pressed and the
indicator lamp comes on.
The DSC/ASR is deactivated.
DSC: dynamic stability control.
ASR: anti-slip regulation.
Action / Observations
Set the control to the "ON" position to activate the
passenger's front airbag.
In this case, do not fit a child seat in the rearward
facing position.
Press the button to activate the DSC/ASR. Its
indicator lamp goes off.
The DSC/ASR system is activated automatically when
the vehicle is started.
If deactivated, the system is reactivated automatically
from around 30 mph (50 km/h).
For more information on the ESC system (DSC/ASR),
refer to the corresponding section.