2020-2024 DS 9 4 Door Driving -> Stop & Start User Manual
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Driving -> Stop & Start for Your DS 9 4 Door First Generation (2020-2024)

103  
Driving  
06  
The information appears on the instrument  
panel, in the form of an arrow and the  
To deactivate/reactivate the function:  
Malfunction  
If the event of a malfunction, these  
recommended gear.  
warning lamps light up on the  
instrument panel, accompanied by the display of  
a message.  
The system adapts the gear change  
instructions according to the driving  
conditions (e.g. slope, load) and driving style  
(e.g. power demand, acceleration, braking).  
The system never suggests:  
Have it checked by a dealer or a qualified  
workshop.  
– engaging first gear;  
Gear shift indicator  
– engaging reverse gear.  
►ꢀ Press the button.  
A message on the instrument panel confirms the  
change of status.  
(Depending on engine)  
This system is designed to reduce fuel  
consumption by recommending the most suitable  
gear.  
Stop & Start  
When the function is deactivated, the orange  
indicator lamp is lit; if the engine was in standby,  
it restarts immediately.  
The Stop & Start function puts the engine  
temporarily into standby - STOP mode - during  
phases when the vehicle is stationary (e.g. red  
lights, traffic jams). The engine automatically  
restarts - START mode - as soon as the driver  
indicates the intention of moving off again.  
Primarily designed for urban use, the function  
is intended to reduce fuel consumption and  
exhaust emissions as well as the noise level when  
stationary.  
Operation  
Depending on the driving situation and the  
vehicle's equipment, the system may recommend  
skipping one or more gears.  
Associated indicator lamps  
Function activated.  
Function deactivated or malfunction.  
Gear engagement recommendations are not to be  
considered mandatory. Indeed, the configuration  
of the road, the traffic density and safety remain  
determining factors when choosing the best  
gear. Therefore, the driver remains responsible  
for deciding whether or not to follow the system’s  
advice.  
Opening the bonnet  
Before doing anything under the bonnet,  
deactivate the Stop & Start system to avoid  
any risk of injury caused by the engine  
restarting automatically.  
The function does not affect the functionalities of  
the vehicle, in particular the braking.  
The system cannot be deactivated.  
Deactivation/Reactivation  
The system is only active in mode M of the  
The function is activated by default when the  
automatic gearbox.  
ignition is switched on.  
104  
Driving  
06  
Driving on flooded roads  
Time counter  
– With the selector in mode P and the brake pedal  
depressed: with the selector at R, N, D or M.  
– With reverse gear engaged.  
Before entering into a flooded area, it is  
A time counter adds up the time spent in standby  
during the journey. It is reset to zero every time  
the ignition is switched on.  
strongly recommended that you deactivate the  
Stop & Start system.  
Special cases  
For more information on Driving  
Special cases:  
recommendations, particularly on flooded  
roads, refer to the corresponding section.  
The engine will restart automatically if the  
conditions for operation are met again and in the  
following case:  
The engine will not go into standby if the  
conditions for operation are not met and in the  
following cases:  
– Automatic gearbox in mode N, vehicle speed  
exceeds 0.6 mph (1 km/h).  
Operation  
Main conditions for operation  
– Steep slope (ascending or descending).  
– Needed to maintain a comfortable temperature  
in the passenger compartment.  
In this case, this indicator lamp flashes for  
a few seconds, then goes off.  
– The driver’s door must be closed.  
– The driver's seat belt must be fastened.  
– The level of charge in the battery must be  
sufficient.  
– Demisting active.  
Malfunctions  
In these cases, this indicator lamp flashes  
for a few seconds, then goes off.  
In the event of a fault with the system, this  
warning lamp flashes for a few moments  
on the instrument panel, then remains on,  
accompanied by the display of a message.  
Have it checked by a dealer or a qualified  
workshop.  
– The temperature of the engine must be within  
its nominal operating range.  
After the engine has restarted, STOP  
mode is not available until the vehicle has  
reached a speed of 5 mph (8 km/h).  
– The outside temperature must be between 0°C  
and 35°C.  
During parking manoeuvres, STOP mode is  
not available for a few seconds after  
coming out of reverse gear or turning the  
steering wheel.  
Putting the engine into standby (STOP  
mode)  
The vehicle stalls in STOP mode  
All of the instrument panel warning lamps come  
on if there is a fault.  
The engine automatically enters standby mode  
as soon as the driver indicates their intention to  
stop:  
►ꢀ Switch off the ignition then start the engine  
again with the "START/STOP" button.  
– With the gear selector in mode D or M, with the  
brake pedal depressed until the vehicle stops.  
– With the gear selector in mode N, with the  
vehicle stationary.  
Restarting the engine (START mode)  
12 V battery  
The engine automatically restarts as soon as the  
driver indicates the intention of moving off again:  
– With the selector in mode D or M: with the  
brake pedal released.  
The Stop & Start system requires a  
12 V battery of specific technology and  
specification.  
All work must be carried out only by a dealer or  
a qualified workshop.  
– With the selector in mode N and the brake  
pedal released: with the selector at D or M.  

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