DS 3: Practical information / Engine compartment
DS 3 2016-2026 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:
The system prevents a rear door from being
opened using its interior handle.
The red control is located on the edge of each rear
door (marked by a label).
Locking/Unlocking
To lock, turn the red control as far as it will go
using the integral key:
To the right on the left-hand rear door...
Fuel tank capacity: approximately 44 litres
(Petrol) or 41 litres (Diesel).
Reserve level: approximately 6 litres.
Low fuel level
When the low fuel level is
reached, this
warning lamp lights up on the instrument
panel, accompanied by the display of a message
and an audible signal...