GM Service Manual Online
For 1990-2009 cars only

Step

Action

Normal Result(s)

Abnormal Result(s)*

1

Press the horn switch.

The horns sound.

The horns do not sound.

Refer to Horns Inoperative

2

Release the horn switch.

The horns turn off.

The horns do not turn off.

Refer to Horns Always On

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