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Start and driving
the vehicle by braking individual wheels or by
r
educing the engine t
or
que.
The ESC* has limits. It is important to realise
that ESC* is also subject to the laws of phys-
ics. ESC* will not be able to deal with all sit-
uations with which drivers may be faced. For
example, if the road surface changes sud-
denly then ESC* will not be useful in all ca-
ses. If the vehicle suddenly enters a section
covered by water, mud or snow then ESC*
will not provide assistance in the same way
as on dry ground. If the vehicle loses its grip
on the ground and moves on a film of water
(“aquaplaning”), the ESC* will not be able to
help the driver control the vehicle due to the
loss of adherence with the road surface pre-
venting braking and steering. If the vehicle is
driven through series of bends at high speed,
the ESC* will not always be as effective: ag-
gressive driving is not the same as slow driv-
ing.
Adjust your speed and driving style to suit vis-
ibility, and weather, road and traffic condi-
tions. ESC* cannot push the limits of the laws
of physics; improve the transmission available
or maintain the vehicle on the road if a lack of
driver attention creates an inevitable situa-
tion. Otherwise, ESC* assists in maintaining
vehicle control in extreme situations and uses
the movements of the steering made by the
driver to maintain the vehicle moving in the
desired direction. If the vehicle is driven at
such a speed that it will leave the road before
ESC* can intervene then the system cannot
provide assistance.
The ABS, BAS, ASR and EDL systems are in-
corporated into the ESC*. The ESC* is al-
ways on
1)
.
Anti-lock system (ABS)
ABS can prevent the wheels from locking dur-
ing braking until just before the vehicle stops
thus helping the driver to steer the vehicle
and maintain control. This means that, even
during full braking, the risk of skidding is re-
duced:
●
Press and hold the brake pedal fully. Do not
remove your foot from the brake pedal or re-
duce braking force!
●
Do not “pump” the brake pedal, or reduce
braking force!
●
Maintain vehicle direction when braking
fully.
●
When the brake pedal is released or when
the brake force is reduced, ABS is turned off.
ABS control can be observed by vibration of
the brake pedal and noise. You should never
expect the ABS to reduce the braking dis-
tance under any circumstances. This dis-
tance will increase when driving on gravel, re-
cent snow or on icy or slippery ground.
Brake assist system (BAS)
The brake assistance system may reduce the
required braking distance. The brake assis-
tance system boosts the braking force if you
press the brake pedal quickly in an emergen-
cy. As a result, the braking pressure increases
rapidly, the braking force is multiplied and the
braking distance is reduced. This enables the
ABS to be activated more quickly and effec-
tively.
Do not lift your foot off the brake pedal!
When the brake pedal is released or when
the brake force is reduced, brake assist auto-
matically turns off the brake servo.
Traction control system (ASR) or Traction
Control (TC)*
In the event of wheelspin, the traction control
system ASR or TC reduces the engine torque
to match the amount of grip available. The
ASR or TC makes some situations easier, for
example, when starting, accelerating or go-
ing uphill, even in unfavourable road condi-
tions.
»
1)
Depending on the version.
157
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