GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2000 🢒 Century (China) 🢒 Body and Accessories 🢒 Instrument Panel, Gauges, and Console 🢒 Vehicle Theft Deterrent (VTD) System Check

Step

Action

Normal Result(s)

Abnormal Result(s)*

1
  1. Turn the ignition switch to the LOCK position.
  2. Observe the security indicator and turn the ignition switch to the RUN position.

The SECURITY indicator turns on for 5 seconds and turns off.
    • The security indicator does not turn on. Refer to Diagnostic System Check - Instrument Cluster in Instrument Panel, Gauges and Console.

2
  1. Verify that the transaxle is in PARK.
  2. Turn the ignition switch to the START position.
    • The engine starts.
    • The SECURITY indicator turns on for 5 seconds.
    • The security indicator does not turn on. Refer to Diagnostic System Check - Instrument Cluster in Instrument Panel, Gauges and Console.

* Refer to the appropriate symptom diagnostic table for the applicable abnormal result.