2017-2026 DS 7 4 Door Practical information -> Misfuel prevention (Diesel) User Manual
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Practical information -> Misfuel prevention (Diesel) for Your DS 7 4 Door First Generation (2017-2026)

156  
07  
Practical information  
►ꢀ To open the filler flap, press the flap opening  
button for more than 2 seconds or, with the  
vehicle unlocked, press the rear of the filler flap  
(depending on version).  
Rechargeable hybrid vehicles  
If the filler flap is accidentally closed  
before refuelling, it cannot be opened  
manually. Restart the engine and move the  
vehicle a few metres before pressing the  
filler flap opening button again.  
Rechargeable hybrid vehicles  
After pressing the button on the  
dashboard, the filler flap may not open for  
several minutes. A sound is emitted when the  
filler flap opens.  
Misfuel prevention (Diesel)  
(Depending on country of sale.)  
If the flap becomes stuck, press and hold  
the button on the dashboard for more than  
3 seconds.  
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.  
►ꢀ Insert the filler nozzle and push it in as far as  
possible before starting to refuel (to minimise the  
risk of splashing).  
Operation  
►ꢀ Fill the tank.  
Do not continue after the nozzle’s third cut-out.  
Doing so may cause malfunctions.  
►ꢀ Push the fuel filler flap to close it.  
The vehicle is fitted with a catalytic converter,  
which helps to reduce the level of harmful  
emissions in the exhaust gases.  
The filler cap is built into the flap.  
►ꢀ Select a pump that delivers the correct fuel  
type for the vehicle's engine (see a reminder label  
on the inside of the filler flap).  
When a petrol filler nozzle is introduced into the  
fuel filler neck of a Diesel vehicle, it comes into  
contact with the flap. The system remains closed  
and prevents filling.  
For petrol engines, you must use unleaded fuel.  
The filler neck is narrower, allowing only unleaded  
petrol nozzles to be inserted.  
Do not persist but introduce a Diesel type filler  
nozzle.  
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.  
The misfuel prevention device does not  
prevent filling with a jerrycan, regardless  
of the fuel type.  
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07  
Practical information  
Travelling abroad  
In the event of a problem  
In the event of exposure to a fire  
As Diesel fuel pump nozzles may be  
different in other countries, the presence  
of the misfuel prevention device may make  
refuelling impossible.  
All work on or modifications to the  
Immediately exit and evacuate all  
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)!  
passengers from the vehicle. Never attempt to  
fight the fire yourself - risk of electrocution!  
You must immediately contact the emergency  
services, informing them that the incident  
involves a rechargeable hybrid vehicle.  
Before travelling abroad, it is advisable to  
check with a dealer if the vehicle is suitable  
for the distribution equipment of the countries  
visited.  
Contact a dealer or a qualified workshop.  
When washing  
Before washing the vehicle, always check  
that the charging flap is closed correctly.  
Never wash the vehicle while the battery is on  
charge.  
Rechargeable hybrid  
system  
High-pressure washing  
Electrical system  
The electrical circuit of the rechargeable hybrid  
system is identified by orange cables and its  
components are marked with this symbol:  
To avoid damaging the electrical  
components, it is expressly prohibited to  
use high-pressure washing in the engine  
compartment or under the body.  
Do not use a pressure greater than 80 bar  
when washing the bodywork.  
This label is intended solely for use by  
firefighters and maintenance services in  
the event of any work on the vehicle.  
No other person must touch the device shown  
on this label.  
In the event of an accident or impact to  
the vehicle’s underbody  
Never allow water or dust to enter the  
connector or charging nozzle - risk of  
electrocution or fire!  
In these situations, the electrical circuit or the  
traction battery can be seriously damaged.  
Stop as soon as it is safe to do so and switch  
off the ignition.  
Never connect / disconnect the charging  
nozzle or cable with wet hands - risk of  
electrocution!  
The rechargeable hybrid powertrain uses  
a voltage of between 240 V and 400 V.  
This system may be hot both when the ignition  
is on and after switching it off.  
Contact a dealer or a qualified workshop.  
Comply with the warning messages shown on  
the labels, particularly inside the charging flap.  

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