GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

The CLN indicator is only a reminder that appears after 50 hours of operation.

  1. Clean the tape head with GM approved head cleaner.
  2. Reset the display by pushing and holding the eject button for 5 seconds.

Does the display clear and start a new cycle?

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Go to Radio/Audio System Check

Go to Step 2

2

Service the radio.

Is the repair complete?

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Go to Radio/Audio System Check

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