CITROËN DS4 Owner's Handbook Manual page 152

Front armrest
Comfort and storage device for the driver and front passenger.
The length of the armrest cover can be adjusted.
Longitudinal adjustment
To move forwards, raise the lever.
The armrest slides forwards to its stop.
To stow it, slide it fully back and press
down to lock it.
Storage
The armrest's compartment can hold up to
6 CDs.
Raise the cover fully.
12 V accessory
socket
To connect a 12 V accessory
(max power: 120 W), lift the cover and
connect a suitable adaptor.