GM Service Manual Online
For 1990-2009 cars only

Step

Action

Yes

No

1

Did you review the Radio/Audio System Operation and perform the necessary inspections?

Go to Step 2

Go to Symptoms - Entertainment

2

Verify that the radio is on at all times.

Does the radio operate normally?

Go to Testing for Intermittent Conditions and Poor Connections

Go to Step 3

3

Inspect all radio controls for any obstructions or foreign matter.

Are obstructions or foreign matter found?

Go to Step 4

Go to Step 5

4

Clear all obstructions or foreign matter from the radio controls.

Is the repair complete?

Go to Step 6

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5

Replace the radio. Refer to Radio Replacement .

Did you replace the radio?

Go to Step 6

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6

Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 3