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142
Intelligent
technolog
y
Intelligent
technology
Notice
about
data
recorded
by vehicle
control
modules
Your veh icle is not equipped with an Event Da-
ta Recorder (EDR), installed by some manu-
facture rs fo r the express purpose of capturing
data for retrieval after an accident or cras h
event. EDR's are sometimes called "crash re-
corders".
Some state laws res t rict the retrieval or down-
loading of data stored by EDR's 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.
Although your vehicle is not equ ipped wit h a n
EDR, it is equipped with a number of elect ron-
ic control modules for various vehicle systems
such as, for examp le, eng ine function, emis-
sion control, as well as for the airbags and
safety belts.
These electron ic control modules also record
vehicle-re lated data during norma l vehicle op-
eration for diagnostic and repa ir 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 ove r a ve ry limited pe riod of
time and stored when a syst em fault or other
condition is sensed by a cont ro l unit . Some of
the data then stored may re late 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 w ith special equip-
ment .
Electronic
Stability
Control
(ESC)
The Electronic Stability Control increases driv-
ing stability.
Fig. 1 3 1
Center conso le with~ button
Intent and purpose
The Anti-Lock Bra ke System (ABS), Elect ronic
Differential Lock (EDL) and Anti-Slip Regula-
tion System (ASR) are integrated in the Elec-
tronic Stability Control (ESC). It increases con-
tro l over the vehicle in handling conditions
close to the limit of "grip", such as when ac-
celerating and corner ing. It reduces the risk of
skidding under all road condit ions and at all
speeds and improves veh icle stability. When
road cond itions are poor, ESC makes it easier
to sta rt from a comp lete st op as we ll as accel-
era te and drive up hills. ESC sw itches on auto-
matically when you start the engine . It should
norma lly be activated at all times because this
ensures optimum vehicle stability .
Critical driving situations
Wit h an overs t eering vehicle (t he vehicle
tu rns too s harply and the rear wheels slide t o-
ward the outsi de of a curve), ESC primarily
brakes the outside front wheel, with an
un-
dersteering vehicle (the vehicle does not turn
sharp ly enough and pushes out of a curve) it
brakes the inside rear whee l or other addition-
al wheels. This brake inte rvent ion is accompa-
nied by noises.
If the speed of a wheel s lows down too much
relat ive to vehicle speed while braking and it
starts to lock, brake pressure to this whee l is
reduced . This adjustment
process can be felt
..,.
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