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
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
Special Tools
EN-955 Locking Pins
EN-48488 Holding Wrench
For equivalent regional tools, refer to Special Tools.
NOTE: Ensure that the drive belt tensioner is held with EN-955-2
locking pin.
Install the drive belt.
Fig. 450: Locking Pin And Wrench
Move the drive belt tensioner clockwise
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
DTC