GM Service Manual Online
For 1990-2009 cars only

Step

Action

Normal Result(s)

Abnormal Result(s)*

1

  1. Open the drive window.
  2. Take the key out of the ignition.
  3. Close all of the doors.
  4. Use the RFA key fob in order to lock all of the doors.
  5. Wait 45 seconds.

The SECURITY light turns off.

Content Theft Deterrent (CTD) Alarm Mode Inoperative

2

  1. Unlock the door using the left front power door unlock switch.
  2. Open the any door.

The following components activate about once per second:

    • The low beams
    • The exterior lamps
    • The horns

3

Use the RFA key fob in order to unlock the door.

The system deactivates.

Content Theft Deterrent (CTD) Alarm Mode Inoperative SECURITY Indicator Always On or Flashing

4

  1. Close all doors.
  2. Use the RFA key fob in order to lock the doors.
  3. Wait 45 seconds.
  4. Turn the ignition switch to the RUN position.

The system enters the stand-by mode.

5

  1. Remove the key from the ignition.
  2. Close all doors
  3. Use the RFA key fob in order to lock the doors.
  4. Wait 45 seconds.
  5. Use the left door lock cylinder switch in order to unlock the door.
  6. Open the door.

The system enters the stand-by mode.

Content Theft Deterrent (CTD) Alarm Mode Inoperative

6

  1. Open the right front window.
  2. Remove the key from the ignition.
  3. Close all of the doors.
  4. Use the RFA key fob in order to lock the doors.
  5. Wait 45 seconds.
  6. Use the right front power door unlock switch in order to unlock the door.
  7. Open the door.

The following components activate about once per second:

    • The low beams
    • The exterior lamps
    • The horns

7

  1. Open the right front window.
  2. Remove the key from the ignition.
  3. Close all of the doors.
  4. Use the RFA key fob in order to lock the doors.
  5. Wait 45 seconds.
  6. Use the key to enter the trunk
  7. Open the trunk.

The system enters the stand-by mode.

Content Theft Deterrent (CTD) Alarm Mode Inoperative

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