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Driver assistance systems
●
The s
lope of
the de
scent is at least 10%
when driving forward and 9% when driving in
reverse.
●
The brake and the accelerator are not
pressed.
Hill Descent Control is deactivated on press-
ing the brake and the accelerator or if the
slope is below 5%. The function may be dis-
connected manually in the Easy Connect sys-
tem by pressing the
button and the
HDC
function button ›
›
›
Fig. 41.
Control lamps
›››
in Warning and control lamps on
p
ag
e 111
.
It lights up white
Hill Descent Control is active.
It lights up grey
Hill Descent Control is not active. The system is switched
on, but is not adjusting.
Some warning and control lamps will light up
briefly
when the ignition i
s
switched on to
check certain functions. They will switch off
after a few seconds.
WARNING
Observe the safety warnings ›››
in Warning
and contro
l lamps on page 111.
WARNING
Always be ready to brake. Otherwise, an acci-
dent cou
ld occur and cause injury.
●
Hill Descent Control is only an auxiliary
system that in some situations may not suffi-
ciently brake the vehicle when going down a
slope.
●
The speed of the vehicle may increase de-
spite the intervention of Hill Descent Control.
Auto Hold Function
D
e
s
cription and operation
Fig. 172 In the lower part of the centre con-
so
l
e: Aut
o Hold function button.
The control light of the
›
›
›
Fig. 172 button
remains on when the Auto Hold function is
connected.
Once connected, the Auto Hold function as-
sists the driver in keeping the vehicle station-
ary at repeated intervals or for a certain peri-
od of time with the engine running, for exam-
ple, when going up a slope, when stopped at
traffic lights or in heavy traffic with intermit-
tent stops.
When connected, the Auto Hold function au-
tomatically prevents the vehicle from rolling
when stationary without pressing the brake
pedal.
After detecting that the vehicle is stationary
and the brake pedal has been released, the
Auto Hold function holds the vehicle. The
driver can lift their foot off the brake pedal.
When the driver touches the accelerator ped-
al or accelerates slightly to continue driving,
the Auto Hold function releases the brake.
The vehicle moves according to the slope of
the road.
If the vehicle is stationary and one of the con-
ditions required by the Auto Hold function is
impaired, it disconnects itself and the but-
ton's control light goes out ››› Fig. 172. The
electronic parking brake connects automati-
cally, if necessary, to park the vehicle safe-
ly ›››
.
C
ondition
s
for keeping the vehicle stationary
with the Auto Hold function
●
The driver door must be closed.
●
The driver's seat belt must be fastened.
»
195
Technical dataAdviceOperationEmergenciesSafety
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