GM Service Manual Online
For 1990-2009 cars only

Step

Action

Normal Result(s)

Abnormal Result(s)*

1

  1. Press the panic button on the keyless entry transmitter.
  2. Press the panic button again.
    • The horn sounds.
    • The perimeter lights flash.
    • The horn and perimeter lights turn off.
    •  Panic Mode Inoperative

2

Press the door lock button on the transmitter.

All of the doors lock.

3

Press the transmitter unlock button once.

The driver's door unlocks.

4

Press the transmitter unlock button twice within 4 seconds.

All of the doors unlock.

5

Press the rear compartment lid release button on the transmitter.

The rear compartment lid opens.

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