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 UnderbodyWinter Driving
Driving on Snow or Ice
Drive carefully when there is snow or ice between the tires and the road, creating
less traction or grip.
Wet ice can occur at about 0°C (32°F) when freezing rain begins to fall, resulting
in even less traction.
Avoid driving on wet ice or in freezing rain until roads c ...
Inflatable Restraint Module Handling and Scrapping
Special Tools
EL-38826 SIR Deployment Harness
EL-39401-B SIR Deployment Fixture
For equivalent regional tools, refer to Special Tools.
Live and Undeployed Inflator Module
Warning: Refer to SIR Inflator Module Handling and Storage Warning
in the Preface section.
Take special care when h ...
Scrapping Procedure
During the course of a vehicle's useful life, certain situations may arise
which will necessitate the disposal of a live (undeployed)
pretensioner. The following information covers the proper procedures for the
disposing of a live (undeployed) pretensioner. Deploy the
pretensioner before dispo ...