This vehicle has a semi-independent twist-beam rear suspension system consisting of the following components:
Axle Assembly

The axle assembly (1) attaches to the underbody through a rubber bushing and bracket located at the front of each integral trailing arm.
The brackets are attached to the underbody side rails with bolts (2). The axle structure itself maintains the geometrical relationship of the wheels relative to the centerline of the body.
Special Tools and Equipment

Wheel Stud Replacement
Tires and WheelsDoor Locks
To lock or unlock the vehicle from outside, use the Remote Keyless Entry (RKE)
transmitter or the key.
From inside the vehicle, use the power door lock switch.
Power Door Locks
: Press to unlock the doors.
: Press to lock the doors.
Safety Locks
The rear door safety locks prevent passenge ...
OnStar 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 ...
Front Side Door Upper Hinge and Lower Hinge Replacement
Preliminary Procedure
Remove the front wheelhouse liner. Refer to Front Wheelhouse Liner
Replacement.
Remove the front fender insulator. Refer to Front Fender Insulator
Replacement.
Remove the front side door. Refer to Front Side Door Replacement.
Front Side Door Hinge Bolt ( ...