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 UnderbodyDeployment Outside Vehicle - Steering Wheel Module, Instrument Panel
Module, and Roof Rail Module
Deploy the inflator module outside of the vehicle when the vehicle will be
returned to service. Situations that require deployment outside
of the vehicle include the following:
Using the SIR diagnostics, you determine that the inflator module is
malfunctioning
The inflator module is cosm ...
Trademarks and License Agreements
FCC Information
See “Radio Frequency Statement” in the owner manual for information regarding
Part 15 of the Federal Communications Commission (FCC) rules and with Industry Canada
Standards RSS-GEN/210/220/310.
“Made for iPod” and “Made for iPhone” mean that an electronic accessory has been ...
Dual Stage Inflator Modules
Dual stage inflator modules contain a housing, inflatable air bag, two
initiating devices, canister of gas generating material and, in some
cases, stored compressed gas. The two initiators are part of the frontal
deployment loop. The function of the frontal deployment loops are
to supply curre ...