GM Service Manual Online
For 1990-2009 cars only

Step

Action

Normal Result(s)

Abnormal Result(s)*

1

Press the door LOCK button on the transmitter.

All of the doors lock.

Door Lock Inoperative with Transmitter - All

2

Press the door UNLOCK button on the transmitter.

The left front door unlocks.

Door Unlock Inoperative with Transmitter - Left Side Front

3

Press the door UNLOCK button on the transmitter twice within 4 seconds.

All of the doors unlock.

Door Unlock Inoperative with Transmitter - All

4

Press the rear compartment release button on the transmitter.

The rear compartment lid opens.

Rear Release Inoperative with Transmitter

5

Press the panic button on the transmitter.

    • The horns sound.
    • The lights flash.
    •  Panic Mode Inoperative

6

Press any button on the transmitter.

The selected function actuates.

Keyless Entry System Inoperative

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