DS 3: Practical information / Engine compartment
DS 3 2016-2025 Owners Manual
The engine shown here is an example for
illustrative purposes only.
The locations of the following components may
vary:
- Air filter.
- Engine oil dipstick.
- Engine oil filler cap.
Petrol engine

Diesel engine

- Screenwash fluid reservoir
- Engine coolant reservoir
- Brake fluid reservoir
- Battery/Fuses
- Remote earth point (-)
- Fusebox
- Air filter
- Engine oil filler cap
- Engine oil dipstick
Diesel fuel system
This system is under very high pressure.
All work must be carried out only by a dealer or
a qualified workshop.
Electric motor
Take care with objects or clothing that
could be caught in the blades of the cooling
fan or in certain moving components - risk of
strangulation and serious injury!
Before carrying out any work under the
bonnet, you must switch off the ignition, check
that the READY indicator lamp is off on the instrument panel and
disconnect the charging
nozzle if it is plugged in.

Electric motor
- Screenwash fluid reservoir
- Engine coolant reservoir (level only)
- Brake fluid reservoir
- Battery/Fuses
- Remote earth point (-)
- Fusebox
- 400 V electrical circuit
- Emergency circuit-breaker for emergency
services and maintenance technicians
For more information on the Charging system
(Electric), refer to the corresponding section.
Stop
& Start
Before doing anything under the bonnet,
you must switch off the ignition to avoid any
risk of injury resulting from an automatic
change to START mode...
Check all of the following levels regularly in
accordance with the manufacturer's service
schedule. Top them up if required, unless
otherwise indicated...
Other information:
Deactivation/Activation
The settings are changed via
the Driving/Vehicle touch screen menu.
The system status is memorised when the ignition
is switched off.
The rear parking sensors
system will be
deactivated automatically if a trailer or
bicycle carrier is connected to a towing device
installed in accordance with the
manufacturer's recommendations...
Depending on version, vehicle trim level and
subscription to online services and options.
Network connection provided by the vehicle
With the DS CONNECT BOX
solution, the
system is automatically connected to the
Internet and connected services, and does not
require the user to provide a connection via their
smartphone...