CITROËN DS 4 Handbook page 32

Operation indicator lamps
If one of the following indicator lamps comes on, this confirms that the corresponding system has come into operation.
It may be accompanied by an audible signal and a message in the screen.
Warning/indicator lamp
Left-hand
direction indicator
Right-hand
direction indicator
Hazard warning
lamps
Sidelamps
dipped beam
headlamps
Main beam
headlamps
Front foglamps
Rear foglamps
is on Cause
flashing with buzzer. The lighting stalk is pushed down.
flashing with buzzer. The lighting stalk is pushed up.
flashing with audible The hazard warning lamps switch,
signal.
located on the dashboard, has been
operated.
fixed. The lighting stalk is in the "Sidelamps"
position.
fixed. The lighting stalk is in the "Dipped
beam headlamps" position or in the
"AUTO" position in conditions of low
light.
fixed. The lighting stalk is pulled towards
you.
fixed. The front foglamps are switched on
using the ring on the lighting control
stalk.
fixed. The rear foglamps are on.
Action/Observations
The left-hand and right-hand direction indicators and
their associated indicator lamps flash simultaneously.
Pull the stalk again to return to dipped beam
headlamps.
Turn the ring on the lighting control stalk rearward
twice to switch off the front foglamps.
Turn the ring on the stalk rearward to switch off the
rear foglamps.