2017-2026 DS 7 4 Door Driving -> Starting/switching off the engine User Manual
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Driving -> Starting/switching off the engine for Your DS 7 4 Door First Generation (2017-2026)

102  
Driving  
06  
If the outside temperature is high, let the  
engine idle for 1 to 2 minutes after the  
►ꢀ Reduce speed and lower the engine speed to  
limit the amount of heating produced.  
►ꢀ Pay constant attention to the coolant  
temperature.  
Starting/switching off the  
engine  
vehicle comes to a stop, to help it to cool.  
The electronic key must be present in the  
passenger compartment.  
If this warning lamp and the STOP  
warning lamp come on, stop the  
vehicle and switch off the engine as soon as  
possible.  
Before setting off  
Nose weight  
If the electronic key is not detected, a message  
is displayed.  
►ꢀ Distribute the load in the trailer so that the  
heaviest items are as close as possible to the axle  
and the nose weight (at the point where it joins  
your vehicle) approaches the maximum permitted  
without exceeding it.  
Move the electronic key so that the engine can  
be started or switched off.  
Brakes  
Using the engine brake is recommended to limit  
the overheating of the brakes. Braking distances  
are increased when towing a trailer.  
If there is still a problem, refer to the "Key not  
detected - Back-up starting or Back-up switch-  
off" section.  
Tyres  
Side wind  
►ꢀ Check the tyre pressures of the towing vehicle  
and of the trailer, observing the recommended  
pressures.  
Illuminated animations of the "START/  
STOP" button indicate the presence or  
absence of the electronic key in the passenger  
compartment.  
Bear in mind that the vehicle will be more  
susceptible to wind when towing.  
Lighting  
Anti-theft protection  
►ꢀ Check the electrical signalling on the trailer  
and the headlamp beam height of your vehicle.  
Starting  
►ꢀ With an automatic gearbox, select mode P  
Electronic immobiliser  
The keys contain a code, which must be  
recognised by the vehicle before starting is  
possible.  
If a genuine towing device is used, the  
rear parking sensors will be deactivated  
automatically to avoid the audible signal.  
or N and depress the brake pedal.  
If the system malfunctions, indicated by the  
display of a message, the engine will not start.  
Contact a dealer.  
When driving  
Cooling  
►ꢀ Press the "START/STOP" button while  
maintaining pressure on the pedal until the engine  
starts.  
Towing a trailer uphill causes the coolant  
temperature to increase. The maximum towable  
load depends on the gradient and the exterior  
temperature. The fan’s cooling capacity does not  
increase with engine speed.  
Diesel engines  
103  
Driving  
06  
In negative temperatures and/or when the  
engine is cold, starting takes place only after the  
preheating warning lamp goes out.  
By default, the system starts in Electric mode.  
Depending on certain parameters (battery  
charge level or outside temperature), the system  
determines whether it is necessary to start the  
petrol engine.  
With the engine off, the braking and  
steering assistance systems are also cut  
off - risk of loss of control of the vehicle!  
If this warning lamp comes on after  
pressing the "START/STOP" button:  
Never leave your vehicle with the  
electronic key still inside.  
►ꢀ Keep the pedal fully depressed and do not  
press the "START/STOP" button again until the  
engine is running.  
It is possible to change the driving mode at any  
time using the mode selector.  
When the vehicle starts in electric mode,  
it makes no noise.  
Switching on the ignition  
without starting the engine  
With the electronic key in the passenger  
compartment, pressing the "START/STOP" button,  
without depressing any of the pedals, allows the  
ignition to be switched on without starting the  
engine.  
In all circumstances, if one of the starting  
conditions is not met, a message is displayed.  
In some circumstances, a message indicates  
that it is necessary to turn the steering wheel  
while pressing the "START/STOP" button to assist  
unlocking of the steering column.  
Pay particular attention to pedestrians and  
cyclists who may not hear the vehicle coming  
despite the pedestrian horn.  
Switching off  
Petrol engines  
►ꢀ Immobilise the vehicle using the parking  
brake.  
►ꢀ Press this button again to switch off the  
ignition and allow the vehicle to be locked.  
With Petrol engines, after a cold start,  
pre-heating the catalytic converter can cause  
noticeable engine vibrations, for anything up  
to 2 minutes (accelerated idle speed).  
►ꢀ With an automatic gearbox, ideally select  
mode P or N.  
Key not detected  
►ꢀ Press the "START/STOP" button.  
►ꢀ For rechargeable hybrid vehicles, before  
leaving the vehicle, check that the READY  
indicator lamp is switched off.  
Back-up starting  
Starting rechargeable hybrid  
vehicles  
►ꢀ Fully depress the brake pedal and press the  
START/STOP button for approximately 2 seconds.  
►ꢀ Keep your foot on the pedal until this  
indicator lamp comes on, indicating the  
activation of the rechargeable hybrid system  
(confirmed by an audible signal).  
A back-up reader is fitted to the steering column,  
to enable the engine to be started if the system  
fails to detect the key in the recognition zone, or if  
the battery in the electronic key is flat.  
In some circumstances, it is necessary to turn the  
steering wheel to lock the steering column.  
On certain versions with an automatic gearbox  
(EAT6/EAT8), the steering column does not lock,  
but the gearbox locks in mode P.  
If the vehicle is not immobilised, the  
engine will not stop.  
To exit Park mode, wait for the READY  
indicator lamp to come on.  

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