GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Was the Radio/Audio System Check performed?

--

Go to Step 2

Go to Radio/Audio System Check

2

Inspect the malfunctioning radio control for contaminants or other possible causes of sticking, binding or improper travel.

Were any problems found?

--

Go to Step 3

Go to Step 4

3

Clean and/or free the malfunctioning controls.

Is the repair complete?

--

Go to Radio/Audio System Check

--

4

Replace the radio. Refer to Radio Replacement .

Is the replacement complete?

--

Go to Radio/Audio System Check

--