Warning: Refer to Approved Equipment for Collision Repair Warning in the Preface section.
Warning: Refer to Glass and Sheet Metal Handling Warning in the Preface section.

Note: Note the number and location of welds for installation of the service assembly.

Rear Bumper Impact Bar Stud Plate Replacement (MAG-Welding)
Installation ProcedureOnStar Overview
If equipped, this vehicle has a comprehensive, in-vehicle system that can connect
to a live Advisor for Emergency, Security, Navigation, Connection, and Diagnostic
Services.
The OnStar system status light is next to the OnStar buttons. If the status light
is:
• Solid Green: System is ready ...
Restraints
Specifications
Module Power, Ground, and MIL
Front Impact Sensor, Retractors, and Driver/Passenger Air
Bags
Side Impact Sensors and Side/Roof Air Bags
Air Bag Indicator and Disable Switch (C99)
...
Removal Procedure
Warning: Refer to Approved Equipment for Collision Repair Warning in the
Preface section.
Disable the SIR System. Refer to SIR Disabling and Enabling.
Disconnect the negative battery cable. Refer to Battery Negative Cable
Disconnection and Connection.
Remove all related panels and compo ...