GM Service Manual Online
For 1990-2009 cars only

Step

Action

Normal Result(s)

Abnormal Result(s)*

1

Press the door lock button on transmitter.

All door's lock

    •  Transmitter Test

2

Press the door unlock button on transmitter once.

Left front door unlocks

Door Unlock Inoperative with Transmitter - Left Side Front

3

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

All door's unlock

Door Unlock Inoperative with Transmitter - All

4

Press the fuel door release button on transmitter.

Fuel door releases

Fuel Door Release Inoperative with Transmitter

5

Press the rear compartment release on transmitter.

Rear compartment lid releases

Rear Release Inoperative with Transmitter

6

Press any button on transmitter.

Desired function operates properly

Keyless Entry System Inoperative

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