Gmc 2004 Sierra User Manual download pdf (Page 566)

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101

Vehicle Data Collection and Event

Data Records

Your vehicle, like other modern motor vehicles, has a

number of sophisticated computer systems that monitor

and control several aspects of the vehicle’s performance.

Your vehicle uses on-board vehicle computers to monitor

emission control components to optimize fuel economy,

to monitor conditions for airbag deployment and, if so

equipped, to provide anti-lock braking and to help the

driver control the vehicle in difficult driving situations.

Some information may be stored during regular

operations to facilitate repair of detected malfunctions;

other information is stored only in a crash or near crash

event by computer systems commonly called event data

recorders (EDR).

In a crash or near crash event, computer systems, such

as the Airbag Sensing and Diagnostic Module (SDM) in

your vehicle may record information about the condition

of the vehicle and how it was operated, such as engine

speed, brake applications, throttle position, vehicle

speed, seat belt usage, airbag readiness, airbag

performance data, and the severity of a collision. This

information has been used to improve vehicle crash

performance and may be used to improve crash

performance of future vehicles and driving safety. Unlike

the data recorders on many airplanes, these on-board

systems do not record sounds, such as conversation of

vehicle occupants.

To read this information, special equipment is needed

and access to the vehicle or the SDM is required.

GM will not access information about a crash event or

share it with others other than

• with the consent of the vehicle owner or, if the

vehicle is leased, with the consent of the lessee,

• in response to an official request of police or similar

government office,

• as part of GM’s defense of litigation through the

discovery process, or

• as required by law.

In addition, once GM collects or receives data, GM may

• use the data for GM research needs,

• make it available for research where appropriate

conﬁdentiality is to be maintained and need is

shown, or

• share summary data which is not tied to a speciﬁc

vehicle with non-GM organizations for research

purposes.

Others, such as law enforcement, may have access to

the special equipment that can read the information

if they have access to the vehicle or SDM.

If your vehicle is equipped with OnStar, please check

the OnStar subscription service agreement or manual for

information on its operations and data collection.

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DarrickSkede 09 Mar 2024 | 20:32:57

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Gmc 2004 Sierra User Manual Page 566

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