NU739_4_G2-FRA.qxd 2/02/06 16:44 Page 2.24
NU739-4 - B73
C:\Documentum\Checkout\NU739_4_T2-ENG.win 17/3/2006 11:35
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2.24
TRACTION CONTROL
This system helps to limit skidding
on drive wheels and to control the
vehicle when pulling away or
accelerating.
This function is an
additional aid in case of
critical driving condi-
tions to enable the
vehicle behaviour to be adapted
to suit the driving conditions.
However, the function does not
take the place of the driver. It
does not increase the vehicle's
limits and should not encourage
you to drive more quickly.
Therefore, it can, under no
circumstances, replace the
vigilance or responsibility of the
driver when manoeuvring the
vehicle (the driver must always
be ready for sudden incidents
which may occur when driving).
Operating principle
Using the wheel sensors, the system
measures and compares the speed
of the drive wheels at all times and
slows down their over-rotation.
If a wheel is starting to spin, the
system brakes automatically until
the drive supplied becomes
compatible with the level of grip.
The system also adjusts the engine
speed to the grip available under the
wheels, independently of the action
exerted on the accelerator pedal.
When the function is in operation,
message A lights up to confirm this.
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