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:
In an emergency, press button 1 for more than
2 seconds.
The lighting of the indicator lamp and a voice
message confirm that the call has been made to
the emergency services*.
‘Localised Emergency Call’ immediately locates
your vehicle and puts you in contact with the
appropriate emergency services**...
If the vehicle's battery is flat, the engine can be
started using a backup battery (either external or
from another vehicle) and jump leads or using a
battery booster.
Never
start the engine by connecting a
battery charger.
Never use a 24 V or higher battery booster...