OnStar Overview
EmergencyInstallation Procedure
Drill 8 mm (5/16 in) for plug welding along the edges of the drivetrain
and front suspension frame front support as noted from the
original panel.
Clean and prepare the attaching surfaces for welding.
Position the drivetrain and front suspension frame front suppor ...
Removal Procedure
Warning: Refer to Approved Equipment for Collision Repair Warning in the
Preface section.
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 ...
Ignition Positions (Keyless Access)
The vehicle has an electronic keyless ignition with pushbutton start.
Pressing the button cycles it through three modes, ACC/ACCESSORY, ON/RUN/START,
and Stopping the Engine/OFF.
The transmitter must be in the vehicle for the system to operate.
If the pushbutton start is not working, the vehi ...