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

    •  Transmitter Test

2

Press the door unlock button on transmitter once.

The left front door unlocks

Door Unlock Inoperative with Transmitter - Left Side Front

3

Press the door unlock button on transmitter twice within four seconds.

All of the doors unlock

Door Unlock Inoperative with Transmitter - All

4

Press the fuel door release button on transmitter.

The fuel door releases

Fuel Door Release Inoperative with Transmitter

5

Press the rear compartment release on transmitter.

The rear compartment lid releases

Rear Release Inoperative with Transmitter

6

Press any button on trasnmitter.

The selected function operates properly

Keyless Entry System Inoperative

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