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Start and driving
Braking and stability sys-
t
ems
Contr
ol l
amps
It lights up
Fault in the ESC or disconnection caused by the sys-
tem.
As the ESC operates in conjunction with the ABS, the
ESC light will also come on if a fault should occur in
the ABS.
Flashes
ESC or ASR activated.
It lights up
Fault in the ASR or disconnection caused by the sys-
tem.
Flashes
ASR working.
It lights up
ASR manually deactivated.
Or: ESC in Sport mode.
It lights up
›››
page 232
ABS faulty or does not work.
The control lamps light up together when the
ignition is s
wit
ched on and shoul
d turn off af-
ter approximately 2 seconds. This is the time
taken for the function check.
Electronic Stability Control (ESC)*
This Electronic Stability System reduces the
risk of skidding and improv
es the vehicle's
stability and ability to hold the road.
The Electronic Stability Control (ESC) con-
tains the electronic differential lock (EDL) and
the traction control system (ASR). The ESC
works together with the ABS. Both control
lamps will light up if the ESC or ABS systems
are faulty. It also includes emergency braking
assistance (HBA).
The ESC system is started automatically
when the engine is started.
The ESC system is always active and cannot
be switched off. With the Easy Connect sys-
tem it is only possible to deactivate the ASR
or else select Sport mode.
The ASR can be deactivated when wheel spin
is desirable
›››
page 230.
For example:
●
When driving with snow chains.
●
When driving in deep snow or on loose sur-
faces.
●
When the vehicle is st
uck, to rock it back-
wards and forwards.
Press the button to switch the ASR back on
when you no longer need wheel spin.
Electronic Stability Control (ESC)*
The ESC reduces the risk of skidding by brak-
ing the wheels individually.
The system uses the steering wheel angle
and road speed to calculate the changes of
direction desired by the driver, and constant-
ly compares them with the actual behaviour
of the vehicle. When irregularities occur, for
example, if the vehicle begins to skid, the ESC
brakes the appropriate wheel automatically.
The forces acting on the braked wheel bring
the vehicle back to a stable condition. If the
vehicle tends to oversteer (the rear end slides
out), the system will act on the front wheel on
the outside of the turn.
Control lamp
There are two control lamps for the electronic
stability control. The lamp provides infor-
mation concerning function and discon-
nection status.
If the ESC control lamp lights up and stays
on after the engine is started, this may mean
that the control system has temporarily
switched off the ESC. In this case the ESC
can be reactivated by switching the ignition
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229
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