224 Intelligent technology
Intelligent technology
Notice about data
recorded by vehicle
control modules
Your vehicle is not equipped with an Event Da-
ta Recorder (EDR), installed by some manu-
facturers fo r the express purpose of capturing
data for retrieval after an accident or crash
event . EDRs are sometimes call ed "crash re-
corders".
Some state laws restrict the retr ieval or down-
loading of data stored by EDRs that were in-
stalled in a vehicle for the express purpose of
retrieving data after an accident or crash
event without the owner's consent.
Alt hough your vehicle is not equipped with an
EDR, it is equipped with a number of electron-
ic control modules for various vehicle systems
such as, for examp le, engine function, emis-
sion control, as well as for the airbags and
safety belts .
These electronic contro l modules also record
vehicle-related data during normal vehicle op-
eration for diagnostic and repair purposes.
The recording capacity of the electronic con-
trol modules is limited to data (no sound is re-
corded) and only a small amount of data is ac-
tually recorded over a very limited period of
time and stored when a system fault or other
condition is sensed by a control unit. Some of
the data then stored may relate to vehicle
speed, direction, braking as we ll as restraint
system use and performance in the event of a
crash or other condition. Stored data can only
be read and downloaded with special equip-
ment.
Electronic Stabilization
Control (ESC)
Description
The Electronic Stabilization Control (ESC) rein-
forces driver safety. It reduces the risk of slip -
ping and improves driving stability. ESC de-
tects critical situations such as the vehicle
oversteering and understeering or the whee ls
spinning . The vehicle is stabilized by applying
the brakes or reducing engine torque . Once
the ESC is active, the indicator light
G1 blinks
in the instrument cluster.
ESC includes the anti-lock brake system (ABS),
brake assist system, anti-slip regulation
(ASR), electronic differential lock (EDL) and
hill descent control.
Anti-lock brake system (ABS)
ABS prevents the whee ls from locking up
when braking. The vehicle can still be steered
even during hard braking. Apply steady pres-
sure to the brake pedal. Do not pump the ped-
al. A pulsing in the brake pedal indicates that
the system is helping you to brake the vehicle .
Brake assist system
The brake assist system can decrease braking
distance. It increases braking power when the
driver presses the brake pedal quickly in emer-
gency situations. You must press and hold the
brake pedal until the situation is over. In
vehicles with adaptive cruise control*, the
brake assist system is more sensitive if the
distance detected to the vehicle ahead is too
small.
Anti-slip regulation (ASR)
ASR reduces engine power when the drive
wheels begin to spin and adapts the force to
the road conditions. This makes it easier to
start , accelerate and dr ive up hills.
Electronic differential lock (EDL)
The EDL brakes wheels that are spinning and
transfers the dr ive power to the other wheels .
This function is available up to about 60 mph
(100 km/h) .
In extreme cases, EDL automatically switches
off to help keep the brake on the braked wheel
from overheat ing. EDL will switch on again au-
tomat ically when conditions have returned to
normal.
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