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 UnderbodyRadio Frequency Statement
This vehicle has systems that operate on a radio frequency that comply with Part
15 of the Federal Communications Commission (FCC) rules and with Industry Canada
Standards RSS-GEN/210/220/310.
Operation is subject to the following two conditions:
1. The device may not cause harmful interferenc ...
Frame and Underbody
Specifications
Engine Shield Replacement
Preliminary Procedure
Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
Engine Shield Bolt (Qty: 4)
Caution: Refer to Fastener Caution in the Preface section.
Tighten
40 N·m (30 lb ft)
Engine Shield
Front Comp ...
Steering Angle Sensor Calibration Warning
Warning: For vehicles with electric power steering (EPS) and without
a vehicle stability enhancement program, the steering angle sensor
MUST always be calibrated after the battery has been disconnected. Failure to
calibrate the steering angle sensor could limit the operation
of the EPS system ...