CITROËN C4 Picasso Owner's Handbook Manual page 43

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 State
Passenger's fixed.
airbag system
Dynamic fixed.
stability control
(DSC/ASR) R
Stop & Start fixed.
Cause
The control switch, located at the
right hand end of the dashboard is set
to the OFF position.
The passenger's front airbag is
deactivated.
The button, located on the centre
console, is pressed. Its indicator lamp
is on.
The DSC/ASR is deactivated.
DSC: dynamic stability control.
ASR: anti-slip regulation.
The Stop & Start has been
deactivated.
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).
Reactivate the function via the " Driving assistance"
menu.
Monitoring
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