DS 3: Back-up procedures / Central locking not functioning
DS 3 2016-2025 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 access the rear screw thread:
Unclip the cover by pressing at its left-hand
section.
Pull the cover downwards.
To tow:
Screw the towing eye in fully.
Install the towbar.
Switch on the hazard warning lamps on both
vehicles.
Move off gently, drive slowly and only for a
short distance...
The Diesel BlueHDi engines are equipped with
a system that associates the SCR (Selective
Catalytic Reduction) emissions control system
and the Diesel particle filter (DPF) for the
treatment of exhaust gases. They cannot function
without AdBlue® fluid...