GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 1999 🢒 Park Avenue 🢒 Body and Accessories 🢒 Theft Deterrent 🢒 Vehicle Theft Deterrent (VTD) System Check

Step

Action

Normal Result(s)

Abnormal Result(s)*

1
  1. Turn the ignition switch to RUN.
  2. Wait 10 seconds.
  3. Inspect the SECURITY indicator.

The SECURITY indicator is OFF.

2
  1. Turn the ignition switch to START.
  2. Release the ignition switch to RUN.
    • The engine cranks.
    • The SECURITY indicator turns OFF.
    • Engine cranks but does not start. Refer to Engine Cranks but Does Not Run in Engine Controls-3.8L

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