When the knurled ring is at 
push
the lever towards the dashboard (stable position).
The warning light 
on the instrument
cluster will come on.
Pulling the lever towards the steering wheel again, the main beams are turned off and the dipped beams on.
See also:
Front ceiling light
With toggling lens
The light will come on automatically when a front door is opened and go out when
the door is closed.
Press the short side of the lens to switch the light on and off when the d ...
Injection system failure
(Multijet versions - amber)
EOBD SYSTEM FAILURE
(petrol versions - amber)
Injection system failure
Turning the ignition key to MAR the warning light turns on but it should go off
after engine ...
ESC Activation/Malfunction Indicator Light AndESC OFF Indicator Light
The ESC Activation/Malfunction Indicator Light in the instrument cluster will
come on when the ignition switch is turned to the MAR (ACC/ON/RUN) position for
four seconds. If the ESC Activation/ ...