CITROEN DS4 Owner's Handbook Manual page 12

Opening
3-button remote
control
A. Folding/unfolding the key
(first press this button).
Complete or selective unlocking of
the vehicle
(rapid flashing of the direction
indicators).
Opening the windows
(hold until the desired position is reached).
Selective unlocking of the boot.
Normal locking
(press once; fixed lighting of the
direction indicators).
Closing the windows
(hold until the desired position is reached).
100
Welcome lighting
When a sensor detects a low level of light,
the remote switching on of the dipped beam
headlamps, the sidelamps and the side spotlamps
makes your approach to the vehicle easier.
In the same way, the passenger compartment
lighting, such as the courtesy lamps and the
footwell lamps, comes on.
129