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:
Before changing a fuse:
Identify the cause of the fault and fix it.
Switch off all power consumption.
Immobilise the vehicle and switch off the
ignition.
Identify the defective fuse using the current
allocation tables and diagrams.
To replace a fuse, it is essential to:
Use the special tweezers to extract the fuse
from its housing and check the condition of its
filament...
For more information,
refer to the General
recommendations on the use of driving
and manoeuvring aids.
This system provides active parking assistance
for vehicles fitted with the EAT8 automatic
gearbox or a gear selector: it detects a free
"parallel" or "bay" parking space and then
operates the vehicle, parking it with no need
for driver intervention...