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Braking and parking
and serious injury to the driver and passen-
gers.
●
The ESC, ABS, ASR, EDS and the electron-
ic t
orque control system cannot exceed the
limits imposed by the laws of physics. Al-
ways bear this in mind, especially on wet or
slippery roads. If you notice the systems
cutting in, you should reduce your speed
immediately to suit the road and traffic
conditions. Do not be encouraged to take
risks by the presence of more safety sys-
tems. If you do, an accident may occur.
●
Please remember that the accident risk
always increases if you drive fast, espe-
cially in corners or on a slippery road, or if
you follow too close behind the vehicle in
front of you. The ESC, ABS, brake assist,
EDS and the electronic torque control sys-
tem cannot prevent accidents: risk of acci-
dents!
●
Accelerate with caution on slippery sur-
faces (for example, icy or snow-covered).
Despite the control systems, the driven
wheels could spin, affecting the stability of
the vehicle: risk of accident!
WARNING
The effectiveness of ESC can be consider-
ably r
educed if other components and sys-
tems affecting driving dynamics are not
maintained or are not functioning correct-
ly. This includes, among others, brakes,
tyres and other systems already men-
tioned.
●
R
emember that changing and fitting oth-
er components to the vehicle can affect
operation of the ABS, HBA and ESC.
●
Changes to the vehicle suspension or us-
ing unapproved wheel/tyre combinations
can affect operation of the ABS, HBA and
ESC, as well as their effectiveness.
●
Likewise, the effectiveness of ESC de-
pends on the use of suitable tyres
›››
page 331.
Note
●
The ABS and ASR will only oper
ate cor-
rectly if the four wheels have identical
tyres. Any differences in the rolling radius
of the tyres can cause the system to re-
duce engine power when this is not desired.
●
The regulating processes of the systems
can make noises due to their operation.
●
If the warning lamp or lights up,
there could be a fault
›››
page 87.
●
Any modifications made to the vehicle
(for example, to the engine, brake system,
running gear or to the combination of
wheels and tyres) may affect the operation
of the ABS, ASR and EDS.
Connecting and disconnecting the
ASR
Fig. 268
Detailed view of the centre console:
butt
on used to switch ASR on and off (vehicles
with ESC)
The electronic stability control ESC consists
of ABS, EDL and ASR and only w
orks when
the engine is running.
The ASR can be switched off while the engine
is running by pressing the button
›››
Fig. 268. The ASR (and similar) is only
switched off when the required traction is not
obtained:
●
When driving through deep snow or on
loose ground (gravel, etc.).
●
When “freeing” a trapped vehicle.
Turn the ASR back on by pressing the
button
›››
Fig. 268.
289
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