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Driving
The engine does not turn off for various
r
easons
Before stopping the vehicle, the system veri-
fies whether certain conditions are met. The
engine does not switch off, in the following
situations for example:
●
The engine has not yet reached the re-
quired temperature for the Start-Stop mode.
●
The temperature selected on the climate
control has not been reached.
●
The interior temperature is very high/low.
●
Defrost function button activated
›››
page 161.
●
Park assist 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.
is displayed on the instrument cluster
screen; it is also displayed in the driver infor-
mation system, .
The engine starts by itself
When stopped, the normal system mode may
be interrupted in the following situations. The
engine restarts without the driver's interven-
tion.
●
The interior temperature differs from the
temperature selected on the climate control.
●
Defrost function button activated
›››
page 161.
●
The brake is pressed several times in a row.
●
The battery is not charged enough.
●
High electricity consumption.
Additional information related to the auto-
matic gearbox
The engine stops when the selector lever is in
the positions P, D, N and S in addition to when
in Tiptronic mode. With the selector lever in P,
the engine will also remain switched off when
you take your foot off the brake pedal. In or-
der to start the engine up again the accelera-
tor must be pressed, or another gear engag-
ed or the brake released.
If the selector lever is placed in R while stop-
ped, the engine will start up again.
Change from D to P to prevent the engine
from accidentally starting when passing
through R.
Additional information about vehicles with
Adaptive Cruise Control (ACC)
In vehicles with ACC function, the engine will
start up again in certain operating conditions
if the radar sensor detects that the vehicle
ahead drives off again.
WARNING
●
Ne
ver switch the engine off until the vehi-
cle is stationary. The operation of the brake
and steering will not be fully guaranteed.
More force will be needed to turn the steer-
ing wheel or to brake. You could suffer an
accident and even serious injuries.
●
To avoid injury, make sure that the Start-
Stop system is switched off when working
in the engine compartment
›››
page 245.
CAUTION
The Start-Stop system must always be
s
witched off when driving through flooded
areas
›››
page 256.
Note
●
In v
ehicles with an automatic gearbox,
you can control whether the engine should
switch off or not by reducing or increasing
the brake force applied. While the vehicle
remains stopped, the engine will not stop if
the brake pedal is slightly pressed, in traffic
jams with frequent stopping and starting
for example. As soon as strong pressure is
applied to the brake pedal, the engine will
stop.
●
When stopped, the brake pedal must be
kept pressed to ensure that the vehicle
does not move.
244
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