GM Service Manual Online
For 1990-2009 cars only

Step

Action

Normal Result(s)

Abnormal Result(s)*

1

  1. Place the ignition switch in the RUN position.
  2. Turn the radio on.

Power antenna will extend to the up position.

Refer to Antenna Inoperative .

2

Turn the radio off.

Power antenna will retract to the down position.

Refer to Antenna Inoperative .

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