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 UnderbodyRear Side Door Window Regulator Motor Replacement
Preliminary Procedure
Remove the rear side door window regulator. Refer to Rear Side Door Window
Regulator Replacement.
Rear Side Door Window Regulator Motor Screw (Qty: 3)
Caution: Refer to Fastener Caution in the Preface section.
Tighten
9 N·m (80 lb in)
Rear Side Door Window R ...
Installation Procedure
Drill 8 mm (5/16 in) for plug welding along the edges of the front
wheelhouse front panel as noted from the original panel.
Drill 8 mm (5/16 in) for plug welding where front wheelhouse front panel
and front wheelhouse overlap.
Clean and prepare the attaching surfaces f ...
Manual Transmission
Shift Pattern
All Models Except Fuel Economy Model
Fuel Economy Model
These are the shift patterns for the six-speed manual transmissions.
To operate the transmissions:
Notice: Do not rest your hand on the shift lever while driving. The
pressure could cause premature wear in the transmiss ...