OnStar Additional Information
IntroductionRemoval Procedure
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.
Disable the SIR System. Refer to SIR Disabling
and Enabling.
Disconnect the negative battery cable. Refer to ...
Installation Procedure
Drill 8 mm (5/16 in) for plug welding along the edges of the service
panel as noted from the original panel.
Clean and prepare the attaching surfaces for welding.
Position the roof rear header (1) panel on the vehicle.
Verify the fit of the panel.
Clamp the roof rear header ...
Removal Procedure
Support the radiator and condenser from above using the
condenser tabs on each side.
Remove the lower steering intermediate shaft bolt (1).
Raise the vehicle on a hoist. Refer to Lifting and Jacking the Vehicle.
Remove the tire and wheel assemblies. Refer to Tire and Wheel Remov ...