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 UnderbodyRemoval 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 ...
Compact Spare Tire
WARNING
Driving with more than one compact spare tire at a time could result in loss
of braking and handling. This could lead to a crash and you or others could be injured.
Use only one compact spare tire at a time.
If this vehicle has a compact spare tire, it was fully inflated when new; howe ...
Instrument Panel Tie Bar Replacement (Right Hand Drive)
Removal Procedure
Remove instrument panel compartment. Refer to Instrument Panel
Compartment Replacement.
Remove instrument panel wiring harness (2) from instrument panel tie bar
(1).
Disconnect electrical connectors.
Remove instrument panel tie bar (1).
Remov ...