GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 1998 🢒 Seville 🢒 Body and Accessories 🢒 Theft Deterrent 🢒 Vehicle Theft Deterrent (VTD) System Check

Step

Action

Normal Result(s)

Abnormal Result(s)*

1
  1. Close all the vehicle doors.
  2. Turn ON the ignition.

The SECURITY indicator turns off after 5 seconds.

SECURITY Indicator Inoperative

2
  1. Turn the ignition switch to the START position.
  2. After the engine starts, release the ignition key.

The SECURITY indicator turns OFF 5 seconds after the engine starts.
    •  Starter Solenoid Clicks, Engine Does Not Crank in Engine Electrical.
    •  Engine Cranks but Does Not Run in Engine Controls.

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