Practical information -> Bonnet / Engine compartment for Your DS 3 Crossback 4 Door First Generation (2018-2022)

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Practical information  
Exiting the mode  
These functions are automatically reactivated the  
next time the vehicle is used.  
Opening  
►ꢀ Open the left-hand front door.  
Bonnet  
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.  
To restore the use of these functions immediately,  
start the engine and let it run:  
– For less than 10 minutes, to use the equipment  
for approximately 5 minutes.  
– For more than 10 minutes, to use the equipment  
for approximately 30 minutes.  
Let the engine run for the specified duration to  
ensure that the battery charge is sufficient.  
To recharge the battery, avoid repeatedly or  
continuously restarting the engine.  
►ꢀ Pull the interior release lever, located at the  
bottom of the door frame, towards you.  
The location of the interior bonnet release  
lever prevents the bonnet being opened  
when the left-hand front door is closed.  
A flat battery prevents the engine from  
starting.  
For more information on the 12 V battery, refer  
to the corresponding section.  
When the engine is hot, handle the  
exterior safety catch and the bonnet stay  
with care (risk of burns), using the protected  
area.  
Load reduction mode  
This system manages the use of certain functions  
according to the level of charge remaining in the  
battery.  
When the bonnet is open, take care not to  
damage the safety catch.  
Do not open the bonnet under very windy  
conditions.  
►ꢀ Lift the exterior safety catch and raise the  
bonnet.  
►ꢀ Unclip the stay from its housing and place it in  
the support slot to hold the bonnet open.  
When the vehicle is being driven, the load  
reduction function temporarily deactivates  
certain functions, such as the air conditioning  
and the heated rear screen.  
Cooling of the engine when stopped  
The engine cooling fan may start after the  
engine has been switched off.  
The deactivated functions are reactivated  
automatically as soon as conditions permit.  
Take care with objects or clothing that could  
be caught in the blades of the fan!  
Closing  
►ꢀ Hold the bonnet and pull out the stay from the  
support slot.  
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Practical information  
►ꢀ Clip the stay in its housing.  
►ꢀ Lower the bonnet and release it near the end  
of its travel.  
►ꢀ Pull on the bonnet to check that it is locked  
correctly.  
Diesel engine  
3. Brake fluid reservoir  
4. Battery / Fuses  
5. Remote earth point (-)  
6. Fusebox  
7. 400 V electrical system  
8. Emergency circuit-breaker for firefighters and  
maintenance technicians  
Because of the presence of electrical  
equipment under the bonnet, it is  
recommended that exposure to water (rain,  
washing, etc.) be limited.  
1.Screenwash fluid reservoir.  
2.Engine coolant reservoir.  
3.Brake fluid reservoir.  
4.Battery/Fuses.  
For more information on the Charging system  
(Electric), refer to the corresponding section.  
Checking levels  
Check all of the following levels regularly in  
accordance with the manufacturer's service  
schedule. Top them up if required, unless  
otherwise indicated.  
5.Remote earth point (-).  
6.Fusebox.  
7.Air filter.  
8.Engine oil filler cap.  
9.Engine oil dipstick.  
Engine compartment  
The engine represented is an example given for  
illustration purposes only.  
The locations of the following elements may vary:  
– Air filter.  
If a level drops significantly, have the  
corresponding system checked by a dealer or a  
qualified workshop.  
The Diesel fuel system operates under  
very high pressure.  
All work on this circuit must be carried out only  
by a dealer or a qualified workshop.  
– Engine oil dipstick.  
– Engine oil filler cap.  
Petrol engine  
The fluids must comply with the  
manufacturer's requirements and with  
the vehicle's engine.  
Electric motor  
Take care when working under the  
bonnet, as certain areas of the engine  
may be extremely hot (risk of burns) and the  
cooling fan could start at any time (even with  
the ignition off).  
1. Screenwash fluid reservoir  
2. Engine coolant reservoir