GM Service Manual Online
For 1990-2009 cars only

Step

Action

Normal Result(s)

Abnormal Result(s)*

1

Turn the ignition key to the RUN position with the driver's seatbelt unbuckled.

    • The audible alarm sounds for 5 seconds.
    • The safety belt lamp flashes for 15 seconds.

2

  1. Turn the ignition key OFF and then turn the ignition key ON.
  2. Buckle the driver's seatbelt.

The alarm and the light turn off when the belt is buckled.

    •  Chime Always On

3

  1. Open the driver's door with the ignition key in the ignition switch.
  2. Close the driver's door.
  3. Remove the key from the ignition switch.
    • The audible alarm sounds while the key is in the ignition and the left door is open.
    • The audible alarm turns off when the door is closed.
    • The audible alarm turns off when the key is removed.
    •  Chime Always On

4

  1. Turn the park lamps ON.
  2. Turn the ignition switch OFF.

The audible alarm sounds.

5

Turn the ignition switch ON.

The audible alarm turns off.

6

  1. Start the vehicle.
  2. Drive the vehicle on a road where you can reach a speed over 120 km\h safely.

The audible alarm will sound at speeds in excess of 120 km\h.

Overspeed Chime Inoperative

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