The OnStar system does not start or there is no diagnostic communication with the system
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9-5
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2010
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3. Electrical System
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OnStar
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Fault diagnosis, fault symptoms
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The OnStar system does not start or there is no diagnostic communication with the system
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It is not possible to contact the OnStar Call Center (OCC)
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The LED on the control button unit, malfunction
No (or disturbed) OnStar sound