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 UnderbodyChild Restraint Systems
Rear-Facing Infant Seat
A rear-facing infant seat provides restraint with the seating surface against
the back of the infant.
The harness system holds the infant in place and, in a crash, acts to keep the
infant positioned in the restraint.
Forward-Facing Child Seat
A forward-facing chil ...
Engine Oil Messages
CHANGE ENGINE OIL SOON
This message displays when the engine oil needs to be changed.
When you change the engine oil, be sure to reset the Oil Life System.
OIL PRESSURE LOW — STOP ENGINE
This message displays if low oil pressure levels occur. Stop the vehicle as soon
as safely possible and do ...
Rear Side Door Weatherstrip Replacement - Door Side
Rear Side Door Check Bolt
Caution: Refer to Fastener Caution in the Preface section.
Tighten
25 N·m (19 lb ft)
Rear Side Door Weatherstrip - Door Side
Procedure
Unclip weatherstrip from rear side door.
When removing protective liners from adhesive tape, be care ...