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Home >> Buick >> 2006 >> Rainier 4.2 S, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 256 (Cellular System, Entertainment System, And Navigation System) >> Diagnostic Information and Procedures >> Symptoms - Navigation Systems >> Notes

Symptoms - Navigation Systems: Notes

WARNING: This page is about a different car, the 2007 Isuzu Ascender, 2007 GMC Envoy, 2007 Chevrolet TrailBlazer, and 2007 Buick Rainier. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT: The following steps must be completed before using the symptom tables.
  1. Perform the Diagnostic System Check - Vehicle in Vehicle DTC Information before using the Symptom Tables in order to verify that all of the following are true:
    • There are no DTCs set.
    • The control modules can communicate via the serial data link.
  2. Review Navigation System Description and Operation  in order to familiarize yourself with the system functions.
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