GM Service Manual Online
For 1990-2009 cars only
Makes
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Buick
🢒
1999
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Century (China) (CNG)
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Body and Accessories
🢒 Theft Deterrent
Body and Accessories
All Component Locator
Theft Deterrent System Component Views
Theft Deterrent System Components
All Description and Operation
Ignition Switch Description
Vehicle Control Module Description
Vehicle Theft Deterrent (VTD) Operation
Vehicle Theft Deterrent (VTD)Circuit Description
All Visual Identification
Theft Deterrent System Connector End Views
Cleaning, Inspection, and Adjustment
Programming Replacement Keys, Ignition Cylinder, or Powertrain Control Module
Diagnostic Procedures
Ignition Lock Cylinder Test
SECURITY Indicator Always On or Flashing
SECURITY Indicator On, Engine Does Not Crank
SECURITY Indicator On, Engine Starts
Vehicle Theft Deterrent (VTD) System Check
Electrical/Electronic Schematic Diagrams
Theft Deterrent System Schematic Icons
Theft Deterrent System Schematics