GM Service Manual Online
For 1990-2009 cars only

Diagnostic Starting Point - Instrument Panel, Gages and Console for Chevrolet Optra 2005

Begin the system diagnosis by reviewing the system operation. Reviewing the operation information will help you determine the correct symptom diagnostic procedure when a malfunction exists. Reviewing the operation information will also help you determine if the condition described by the customer is normal operation. Refer to Symptoms - Instrument Panel, Gages and Console in order to identify the correct procedure for diagnosing the systems and where the procedure is located.