Chevrolet Trax: OnStar
READ NEXT:
OnStar Overview
Voice Command Button
Blue OnStar Button
Emergency Button
This vehicle may be equipped with a
comprehensive, in-vehicle system
that can connect to a live OnStar
Advisor for Emergency, Security,
Na
Emergency
With Automatic Crash Response,
the OnStar system can
automatically connect to an OnStar
Emergency Advisor. The built-in
system can automatically connect to
help in certain crashes.
Press to connect
SEE MORE:
Engine Overhaul Procedures
NOTE: Examples used in this article are general in nature and do
not necessarily relate
to a specific engine or system. Illustrations and procedures have been chosen
to guide mechanic through engine overhaul process. Descriptions of processes
of cleaning, inspection, assembly and machine shop pract
DTC B257B
Diagnostic Instructions
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 provides an overview of each
diagnostic category.
DTC Descriptors
D
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