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1998
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Skylark V6-3100 3.1L VIN M SFI
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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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Testing and Inspection
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Scan Tool Testing and Procedures
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VTD Function
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VTD OPTION
VTD OPTION
The VTD Option Function tells if the Instrument Cluster has ever detected the presence of a PASSLOCK TM Lock Cylinder. Once this has occurred, the Instrument Cluster will set this function to YES.