Practical information -> Refuelling for Your DS 7 Crossback 4 Door First Generation (2017-2022)

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Practical information  
correctly. In these temperature conditions, use  
winter-type Diesel fuel and keep the fuel tank  
more than 50 % full.  
At temperatures below -15 °C (+5 °F) to avoid  
problems starting, it is best to park the vehicle  
under shelter (heated garage).  
You must refuel as soon as possible to avoid  
running out of fuel.  
For more information on Running out of fuel  
(Diesel), refer to the corresponding section.  
Compatibility of fuels  
Petrol fuels conforming to the EN228 standard  
containing up to 5% and 10% ethanol respectively.  
Stop & Start  
Never refuel with the engine in STOP  
mode; you must switch off the ignition.  
Travelling abroad  
Certain fuels could damage your vehicle’s engine.  
In certain countries, the use of a particular fuel  
may be required (specific octane rating, specific  
trade name, etc.) to ensure correct operation of  
the engine.  
Diesel fuels conforming to the EN590, EN16734  
and EN16709 standards and containing up to  
7%, 10%, 20% and 30% fatty acid methyl ester  
respectively. The use of B20 or B30 fuels, even  
occasionally, imposes special maintenance  
conditions referred to as "Arduous conditions".  
Refuelling  
Additions of fuel must be of at least 10 litres, in  
order to be registered by the fuel gauge.  
Opening the filler flap may create a noise caused  
by an inrush of air. This vacuum is entirely normal,  
resulting from the sealing of the fuel system.  
To refuel in complete safety:  
For all additional information, consult a dealer.  
Refuelling  
Fuel tank capacity: approximately 55 litres  
(Diesel), 62 litres (petrol) or 42 litres (Hybrid).  
Reserve level: approximately 6 litres.  
►ꢀ You must switch off the engine.  
Paraffinic Diesel fuel conforming to the EN15940  
standard.  
The use of any other type of (bio) fuel  
(vegetable or animal oils, pure or diluted,  
domestic fuel, etc.) is strictly prohibited (risk  
of damage to the engine and fuel system).  
Low fuel level  
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When the low fuel level is reached,  
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/2  
this warning lamp comes on on the  
The only fuel additives authorised for use  
are those that meet the B715001 (petrol)  
or B715000 (Diesel) standards.  
instrument panel, accompanied by an onscreen  
message and an audible signal. When it first  
comes on, about 6 litres of fuel remain in the tank.  
Until sufficient fuel is added, this warning lamp  
appears every time the ignition is switched on,  
accompanied by an onscreen message and an  
audible signal. When driving, this message and  
audible signal are repeated with increasing  
frequency as the fuel level drops towards 0.  
►ꢀ Depending on version, press the opening  
button of the filler flap or press the rear edge of  
the filler flap to open it.  
Diesel at low temperature  
At temperatures below 0 °C (+32 °F), the  
formation of paraffins in summer-type Diesel  
fuels could prevent the engine from operating  
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Practical information  
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, allowing only unleaded  
petrol nozzles to be introduced.  
Do not persist but introduce a Diesel type filler  
nozzle.  
It remains possible to use a fuel jerrycan  
to fill the tank.  
Travelling abroad  
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.  
As Diesel fuel pump nozzles may be  
different in other countries, the presence  
of the misfuel prevention device may make  
refuelling impossible.  
The filler cap is built into the flap.  
►ꢀ 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).  
Before travelling abroad, it is advisable to  
check with a dealer if the vehicle is suitable  
for the distribution equipment of the countries  
visited.  
Misfuel prevention (Diesel)  
(Depending on country of sale.)  
This mechanical device prevents filling the tank of  
a Diesel vehicle with petrol.  
Located in the filler neck, the misfuel prevention  
device is visible when the filler cap is removed.  
Hybrid system  
Operation  
Electrical system  
The electrical system of the hybrid system is  
identified by orange cables and its elements are  
marked with this symbol:  
►ꢀ Introduce the filler nozzle and push it in as  
far as possible before starting to refuel (risk of  
blowback).  
The hybrid engine uses a voltage of  
between 240 V and 400 V. This system  
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.  
may be hot during and after switching off the  
ignition. Observe the warning messages on the  
labels in the vehicle, especially in the flap.  
Any work on or modification to the vehicle's  
electrical system (battery, connectors, orange  
►ꢀ Fill the tank.  
Do not continue past the 3rd cut-off of the nozzle;  
as this may cause malfunctions.  
►ꢀ Push the filler flap to close it.