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Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 93 (Entertainment Systems) >> Diagnostic Information and Procedures >> Symptoms - Entertainment >> Preliminary Procedure

Preliminary Procedure

WARNING: This page is about a different car, the 2006 Buick LaCrosse and 2006 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
  1. Perform Diagnostic System Check - Vehicle before using the Symptom Tables in order to verify that all of the following conditions are true:
    • There are no DTCs set.
    • The control modules can communicate via the serial data link.
  2. Review the system operation in order to familiarize yourself with the system functions. Refer to Radio/Audio System Description and Operation .
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