CITROËN DS4 Owner's Handbook Manual page 105

Deadlocking using the remote
control
Press the closed padlock to lock
the vehicle completely.
Press the closed padlock again
within five seconds to deadlock
the vehicle.
Deadlocking using the key
Turn the key to the rear in the driver's door
lock to lock the vehicle completely.
Turn the key to the rear again within
five seconds to deadlock the vehicle.
Deadlocking is confirmed by fixed lighting
of the direction indicators for approximately
two seconds.
According to version, the door mirrors fold at
the same time.
In low light, deadlocking also brings on the
guide-me-home lighting (see "Visibility").
Deadlocking renders the exterior and
interior door controls inoperative.
It also deactivates the central locking
control button.
Therefore, never leave anyone inside
the vehicle when it is deadlocked.
Closing the windows using the
remote control
Press and hold down the closed
padlock until the desired position
is obtained. The windows stop
when you release the button.
When closing the windows using the
remote control you must ensure that
nothing prevents them from closing
correctly.
If you want to leave the windows
partly open, you must deactivate the
volumetric alarm monitoring.
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