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5-1. Essential information
The VSC Electronic Control Unit (ECU) may contain another EDR. In
case the VSC or Brake Assist system is activated, or the lateral accelera-
tion is beyond a certain valve, this device may record some or all of the
following information:
• Yaw rate
• Lateral and longitudinal acceleration
• Steering wheel angle
• Vehicle speed
• To what extent the accelerator pedal was depressed
• To what extent the brake pedal was applied
• To what extent the ECU controlled the rotation speed of each of the 4
wheels
• VSC system diagnostic data
The information above is intended to be used for the purpose of improv-
ing vehicle safety performance. Unlike general data recorders, the EDR
does not record sound data such as conversation between passengers.
Disclosure of the data
Lexus will not disclose the data recorded in an EDR to a third party
except when:
• An agreement from the vehicle’s owner (or the leasing company for a
leased vehicle) is obtained
• Officially requested by the police or other authorities
• Used as a defense for Lexus in a law suit
• Ordered by a court of law
However, if necessary Lexus will:
• Use the data for research on Lexus vehicle safety performance
• Disclose the data to a third party for research purposes without disclos-
ing details of the vehicle owner, and only when it is deemed necessary
• Disclose summarized data cleared of vehicle identification information
to a non-Lexus organization for research purposes
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