GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

  1. Turn the ignition switch to the RUN position with the engine off.
  2. Press and hold the odometer trip reset button for approximately 12 seconds.

Does the change oil indicator flash twice and then turn off?

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System OK

Go to Step 2

2

  1. Connect a scan tool to the vehicle data link connector (DLC).
  2. Enter the instrument cluster WOW mode.
  3. Command the instrument cluster indicators off.

Does the change oil indicator turn off?

--

System OK

Go to Step 3

3

Replace the instrument cluster. Refer to Instrument Cluster Replacement .

Is the repair complete?

--

System OK

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