This information provides repair recommendations and general guidelines for steel classified as Ultra High Strength Dual Phase Steel (Dual Phase Steel with a tensile strength greater than 800 MPa), also known as DPX.
General Motors recommends the following when repairing or replacing this type of steel during collision repair.
Note:
Recommended Repairs:
Special Tools and Equipment

Mild Steel
Frame and UnderbodyAutomatic Transmission
It is better not to park with the engine running.
If the vehicle is left with the engine running, follow the proper steps to be
sure the vehicle will not move.
If parking on a hill and pulling a trailer.
The automatic transmission has a shift lever located on the console between the
seats.
...
Luggage Compartment Description and Operation
Rear Compartment Lid Release System Components
Body control module (BCM)
Exterior rear compartment lid release switch
Rear compartment lid release actuator
Rear compartment lid release relay
Rear Compartment Lid Release Operation
When the exterior rear compartment lid release switch is ...
Power Steering Pump Belt Replacement
Special Tools
CH 49800 Installer Power Steering Pump Belt
For equivalent regional tools, refer to Special Tools.
Removal Procedure
Caution: Do not use belt dressing on the drive belt. Belt dressing
causes the breakdown of the composition of the drive belt. Failure
to follow this recommendatio ...