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1997
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DeVille Concours V8-4.6L VIN 9
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Repair and Diagnosis
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Accessories and Optional Equipment
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Antitheft and Alarm Systems
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Security Lamp/Indicator
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Description and Operation
Security Lamp/Indicator: Description and Operation
The SECURITY indicator is directly controlled (ON and OFF) by the IPC as requested by the Body Control Module (PZM) over the Class 2 serial data bus.