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Home >> Buick >> 2008 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 14 (Cellular System, Entertainment System, And Navigation System) >> Diagnostic Information and Procedures >> OnStar Button LED Inoperative >> Diagnostic Instructions
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Diagnostic Instructions

WARNING: This page is about a different car, the 2007 Buick LaCrosse and 2007 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.

Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure.

Review Strategy Based Diagnosis for an overview of the diagnostic approach.

Diagnostic Procedure Instructions provide an overview of each diagnostic category.

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