Practical information -> Misfuel prevention (Diesel) for Your DS 3 Crossback 4 Door First Generation (2018-2022)

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Practical information  
►ꢀ Take care to select the pump that delivers the  
correct fuel type for the vehicle's engine (see a  
reminder label on the inside of the filler flap).  
►ꢀ Turn the filler cap to the left.  
►ꢀ Remove the filler cap and hang it on its carrier  
(on the filler flap).  
►ꢀ Introduce the filler nozzle and push it in as  
far as possible before starting to refuel (risk of  
blowback).  
Operation  
Charging system (Electric)  
400 V electrical system  
The electrical system, which operates at a voltage  
of approximately 400 V, is identified by orange  
cables, and its components are marked with this  
symbol:  
When a petrol filler nozzle is inserted into the  
fuel filler neck of a Diesel vehicle, it comes into  
contact with the flap. The system remains closed  
and prevents filling.  
►ꢀ Fill the tank.  
Do not continue past the third cut-off of the  
nozzle, as this may cause malfunctions.  
►ꢀ Refit the filler cap.  
Do not persist but introduce a Diesel type filler  
nozzle.  
►ꢀ Turn it to the right.  
►ꢀ Push the filler flap to close it.  
It remains possible to use a fuel jerrycan  
to fill the tank.  
If you have put in the wrong fuel for the  
vehicle, you must have the fuel tank  
drained and filled with the correct fuel before  
starting the engine.  
Travelling abroad  
An electric vehicle’s power train can  
become hot during use and after  
switching off the ignition.  
Observe the warning messages shown on  
labels, particularly inside the flap.  
All work on or modifications to the vehicle’s  
electrical system (including the traction  
battery, connectors, orange cables and  
other components visible from the interior or  
exterior) is strictly prohibited - risk of severe  
burns or potentially fatal electric shock (short-  
circuit / electrocution)!  
As Diesel fuel pump nozzles may be  
different in other countries, the presence  
of the misfuel prevention device may make  
refuelling impossible.  
Before travelling abroad, it is advisable to  
check with a dealer if the vehicle is suitable  
for the distribution equipment of the countries  
visited.  
The vehicle is fitted with a catalytic converter, a  
device which helps to reduce the level of harmful  
emissions in the exhaust gases.  
For petrol engines, you must use unleaded fuel.  
The filler neck is narrower, admitting unleaded  
petrol nozzles only.  
Misfuel prevention (Diesel)  
(Depending on country of sale.)  
This mechanical device prevents filling the tank of  
a Diesel vehicle with petrol.  
In the event of a problem, always contact a  
dealer or a qualified workshop.  
Located in the filler neck, the misfuel prevention  
device is visible when the filler cap is removed.