GM Service Manual Online
For 1990-2009 cars only

Step

Action

Normal Result(s)

Abnormal Result(s)*

1

  1. Move the driver window down.
  2. Turn the ignition switch to the OFF position.
  3. Open one door.
    • The SECURITY indicator flashes.
    • The system is armed.

Content Theft Deterrent (CTD) Alarm Mode Inoperative

2

  1. Close all of the doors.
  2. Perform one of the following steps:
  3. • Manually LOCK all of the doors.
    • Use the keyless entry transmitter in order to LOCK all of the doors.

The SECURITY indicator turns on solid after the perimeter lights turn off.

SECURITY Indicator Inoperative

3

Wait 30 seconds for the delay mode time-out.

    • The SECURITY indicator turns OFF.
    • The system enters fully armed mode.

Content Theft Deterrent (CTD) Alarm Mode Inoperative

4

  1. Reach inside the open window.
  2. Open the door.

When the alarm sounds, the following conditions occur alternately:

    • The headlights flash.
    • The horn sounds.

5

In order to clear the alarm, use one of the following items in order to unlock the doors:

    • The keyless entry transmitter
    • The ignition key
    • The front door lock cylinder switch

The alarm will continue for 30 seconds if left alone.

The alarm stops under the following conditions:

    • 30 seconds elapse.
    • The door is unlocked.

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