OnStar Additional Information
AccessoriesAutomatic Transmission Shift Lock Control Function Check
Warning
When you are doing this inspection, the vehicle could move suddenly. If the
vehicle moves, you or others could be injured.
1. Before starting this check, be sure there is enough room around the vehicle.
It should be parked on a level surface.
2. Apply the parking brake. Be ready to ap ...
Multi-Axis Acceleration Sensor Module Programming and Setup
Note:
DO NOT program a control module unless directed to by a service procedure
or a service bulletin. If the Multi-axis Acceleration Sensor or Inertia
Sensor Module (IMU) is not properly configured with the correct calibration
software, the Electronic Brake Control Module will ...
Battery Inspection/Test
Diagnostic Instructions
Perform the Diagnostic System Check - Vehicle prior to using this diagnostic
procedure.
Review Strategy Based Diagnosis for an overview of the diagnostic approach.
Diagnostic Procedure Instructions provides an overview of each diagnostic
catego ...