Operation
Note
In vehicles with an automatic gearbox, if the
select
or 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 (6
mph) for the system to return to conditions in
which the engine can be stopped.
Manually switching on/off the Start-
Stop sy
stem
Fig. 169 Centre console: Start-Stop system
b
utt
on
If you do not wish to use the system, you can
sw
it
ch it off manually.
–
To manually switch on/off the Start-Stop
system, press the button
. The button
symbo
l
remains lit up yellow when the sys-
tem is switched off.
Note
The system is automatically switched on each
time the engine i
s deliberately stopped dur-
ing a stopping phase. The engine will start
automatically.
Driver messages on the instrument
panel
display
Start-Stop system deactivated.
Start the engine manually
This
driver message is displayed when cer-
tain conditions are not met during the stop-
ping phase and the Start-Stop system cannot
restart the engine. The engine must be star-
ted manually.
Start-Stop system: Fault! Func-
tion not available
There is a fault in the Start-Stop system. Take
the vehicle to a workshop to have the fault
repaired.
Hill Descent Control (HDC)
De
scription and operation
3 V
alid for vehicles: 4Drive
Hill Descent Control limits the speed on steep
descents by automatically braking all four
wheels, both when moving forward and in re-
ver
se. As the anti-lock brake system remains
active, it prevents the wheels from locking. In
vehicles with manual transmission, the Hill
Descent Control adapts the theoretical speed
without slowing the engine below its idling
speed.
After starting the descent of a slope below
30 km/h (18 mph), speed is limited to a min-
imum of 2 km/h (1 mph) and a maximum of
30 km/h (18 mph). When appropriate, the
driver may increase or decrease the speed
within the limit by pressing the accelerator or
the brake. At this point the function is inter-
rupted and, if necessary, it is then reactiva-
ted.
Even so, it is imperative that the surface
guarantees sufficient adhesion. For this rea-
son, the Hill Descent Control will not fulfil its
function when, for example, descending a
slope with a frozen or slippery surface.
Hill Descent Control is available when the
dash panel display shows the message .
Hill Descent Control automatically intervenes
if the following conditions are met:
●
The vehicle engine is running.
●
The Offroad driving profile has been selec-
ted
›››
page 225. Driving at a speed below 30
km/h (18 mph) (the message is shown on
the dash panel display).
190
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