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 UnderbodySteering Wheel Inflatable Restraint Module Replacement
Removal Procedure
Warning: When carrying a live inflator module, make sure the bag opening
is pointed away from you. This minimizes the chance of injury
in the case of an accidental deployment. Never carry the inflator module by the
wires. Never carry the inflator module by the connector on
t ...
Doing Your Own Service Work
WARNING
It can be dangerous to work on your vehicle if you do not have the proper
knowledge, service manual, tools, or parts. Always follow owner manual procedures
and consult the service manual for your vehicle before doing any service work.
If doing some of your own service work, use the pro ...
Windshield Wiper Arm Replacement
Windshield Washer Arm Finish Cap
Tip
Use a small flat-bladed tool to remove finish cap.
Special Tools
BO-6626 Wiper Arm Puller
For equivalent regional tools, refer to Special Tools.
Windshield Washer Arm Nut
Caution: Refer to Fastener Caution in the Preface section.
Procedure
...