OnStar®
Keys and LocksUltra High Strength Dual Phase Steel
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 ...
Removal Procedure
Warning: Refer to Glass and Sheet Metal Handling Warning in the Preface
section.
Disable the SIR System. Refer to SIR Disabling
and Enabling.
Disconnect the negative battery cable. Refer to Battery Negative Cable
Disconnection and Connection.
Remove the front side door. Refer to Fron ...
Battery Disconnect Warning
Warning: Unless directed otherwise, the ignition and start switch
must be in the OFF or LOCK position, and all electrical loads must be
OFF before servicing any electrical component. Disconnect the negative battery
cable to prevent an electrical spark should a tool or
equipment come in contact ...