DS 3: Back-up procedures / Central locking not functioning
DS 3 2016-2026 Owners Manual
Use these procedures in the following cases:
- Central locking malfunction.
- Battery disconnected or discharged.
In the event of a
malfunction of the
central locking system, the battery must
be disconnected to ensure that the vehicle is
locked fully.
Driver's door
- If the handle is retracted, press on it up to the
point of resistance to unfold it.
- Pull the handle to access the lock.
- Insert the key in the lock and turn it to lock
the door.
Passenger doors
Unlocking
Pull the interior door opening control.
Locking

Use this procedure in the following situations:
Remote control battery discharged.
Remote control malfunction.
Vehicle battery discharged.
Vehicle in an area subject to strong
electromagnetic interference...
A message is displayed on the instrument panel
when the battery needs changing.
Battery type: CR2032/3 volts.
Unclip the cover by inserting a small
screwdriver in the slot and lift the cover...
Other information:
To ensure the safety of
the child, the front
passenger airbag MUST be deactivated
when a "rearward facing" child seat is
installed on the front passenger seat.
Otherwise, the child risks being seriously
injured or killed in the event of deployment of
the airbag...
Deactivation/Activation
By default, the system is automatically activated
at every engine start.
The settings are changed via the
Driving/Vehicle touch screen menu.
Deactivation of the system is
signalled by
the illumination of this warning lamp,
accompanied by the display of a message...