GM Service Manual Online
For 1990-2009 cars only

Step

Action

Normal Result(s)

Abnormal Result(s)*

Arming the Theft Deterrent System

1

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

The SECURITY indicator turns off when the ignition switch is turned to the ON position.

SECURITY Indicator Inoperative

2

  1. Turn OFF the ignition.
  2. Remove the key from the ignition switch.

The SECURITY indicator remains off.

SECURITY Indicator Inoperative

3

Open the driver door (Test may be performed on the passenger door.)

The SECURITY indicator flashes.

SECURITY Indicator Inoperative

4

  1. Open the driver door.
  2. Press the driver power door LOCK button (Test may be performed on the passenger door.)

The SECURITY indicator stops flashing and remains on continuously.

SECURITY Indicator Inoperative

5

Press the LOCK button on the remote transmitter.

The SECURITY indicator stops flashing and remains on continuously.

SECURITY Indicator Inoperative

6

Close the driver door, passenger door, rear compartment lid and hood (export).

The SECURITY indicator turns off after approximately 30 seconds. The system is now armed.

SECURITY Indicator Inoperative

Activating the Theft Deterrent System

7

Perform any one of the following functions to activate an armed theft deterrent system and to simulate an illegal entry:

    • Use the power lock switch to unlock the driver door or the passenger door and open a door.
    • Use the inside lock lever to unlock the driver door or the passenger door and open a door.
    • Use the inside rear lid release to unlock the rear lid compartment.
    • Open the hood (export only).

The UTD system activates the following to indicate vehicle intrusion:

    • The horn sounds.
    • The exterior lights flash.

Disarming the Theft Deterrent System

8

Use the key to unlock the driver door or the passenger door.

The alarm disarms.

Content Theft Deterrent (CTD) Alarm Mode Inoperative

9

Press the UNLOCK button on the remote transmitter.

The alarm disarms.

Diagnostic System Check - Remote Keyless Entry in Keyless Entry.

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