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 UnderbodyBrake Fluid
The brake/clutch master cylinder reservoir is filled with DOT 3 brake fluid as
indicated on the reservoir cap.
There are only two reasons why the brake fluid level in the reservoir might go
down:
• The brake fluid level goes down because of normal brake lining wear. When new
linings are in ...
Body Waterleak Repair
Warning: If the vehicle interior is exposed to moisture and becomes
soaked up to the level of the sensing and diagnostic module (SDM),
the SDM and SDM harness connector must be replaced. The SDM could be activated
when powered, which could cause airbag deployment
and result in personal inj ...
Instrument Panel Assembly Replacement
Preliminary Procedures
Disable the SIR system. Refer to SIR Disabling and Enabling
Remove the front floor console assembly. Refer to Front Floor Console
Replacement.
Remove the radio assembly. Refer to Radio Replacement.
Remove the driver information display bezel. Refer ...