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Intelligent
technology
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Intelligent
technology
Notice
about
data
recorded
by
vehicle
control
modu Les
Your vehicle is not equipped with an Event Data Recorder (EDR),
installed by some manufacturers
for the express purpose of
capturing data for retrieval after an accident or crash event. EDR's are
sometimes called "crash recorders".
Some state laws restrict the retrieval or downloading of data stored
by ED R's that were installed 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 equipped with an EDR, it is equipped with
a number of e lectronic control modules for various vehicle systems
such as, for example, eng ine function, emission control, as well as for
the airbags and safety belts.
These electronic control modules also record vehicle-related data
during normal vehicle operation for diagnostic and repair purposes .
The recording capacity of the electronic control modu les is limited to
data (no sound is recorded) and only a sma ll amount of data is actu-
ally 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 well as restraint system use and performance in the event of a
crash or other condition. Stored data can only be read and down-
loaded with special equipment . •
Electronic
Stabilization
Program
(ESP}
Ce,eral
The Electronic Stability Program increases driving
stability.
Fig. 129
Center
console with ESP
switch
With ESP, control over the vehicle is increased in situations when the
vehicle is close to the limits of grip, such as during acceleration and in
curves . ESP reduces the risk of skidding and improves vehicle stability
under all road conditions. It operates at all speeds.
The Anti-Lock Brake System (ABS), Electronic Differential Lock (EDS)
and Anti-Slip Regulation System (ASR) are integrated in the Elec-
tronic Stability Program .
How
ESP works
The ESP control unit processes the following data from high-sensitive
sensors : the rotational speed of the vehicle about its vertical axis,
fore-and-aft and lateral acceleration forces, brake pressure and
steering angle.
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