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Driver assistance systems
Note
●
You can control whether the engine should
switch off or not by reducing or increasing the
brake force applied. While the vehicle re-
mains stopped, the engine will not stop if the
brake pedal is slightly pressed, in traffic jams
with frequent stopping and starting for exam-
ple. As soon as strong pressure is applied to
the brake pedal, the engine will stop.
●
In vehicles with manual gearbox, during
the stopping phases the brake pedal must re-
main depressed to prevent the vehicle from
moving.
●
If the engine “stalls” in vehicles with man-
ual gearbox, it can be directly started up
again by immediately pressing the clutch
pedal.
General notes
The system can interrupt the Start-Stop mode
frequently for different reasons.
The engine does not switch off
Before the stopping phase, the system veri-
fies whether certain conditions are met. The
engine
does not sw
it
ch off, in the following
situations for example:
●
The engine has not yet reached the mini-
mum required temperature for the Start-Stop
mode.
●
The interior temperature selected for the air
conditioner has not yet been reached.
●
The interior temperature is very high/low.
●
Defrost function button activated
›››
page 26.
●
The parking aid* is switched on.
●
The battery is very low.
●
The steering wheel is overly turned or is be-
ing turned.
●
If there is a danger of misting.
●
After engaging reverse gear.
●
In case of a very steep gradient.
The indication is shown on the instrument
panel display, and in addition, the driver in-
formation system* shows, .
The engine starts by itself
During a stopping phase the normal Start-
Stop mode can be interrupted in the follow-
ing situations: The engine restarts by itself
without involvement from the driver.
●
The interior temperature differs from the
value selected on the air conditioner.
●
Defrost function button activated
›››
page 26.
●
The brake has been pressed several times
consecutively.
●
The battery is too low.
●
High power consumption.
Note
In vehicles with an automatic gearbox, if the
selector lever is placed in position D, N or S
after engaging reverse gear, the vehicle must
be driven at a speed faster than 10 km/h (5
mph) for the system to return to conditions in
which the engine can be stopped.
Manually switching on/off the Start-
Stop system
Fig. 147 Centre console: Start-Stop system
button
If you do not wish to use the system, you can
switch it off manually.
–
To manually switch on/off the Start-Stop
system, press the button
. The button
symbol remains lit up yellow when the sys-
tem is switched off.
»
149
Technical specifications
AdviceOperationSafetyThe essentials
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