OnStar
Keys and LocksSelecting the Right Engine Oil
Selecting the right engine oil depends on both the proper oil specification and
viscosity grade. See Recommended Fluids and Lubricants.
Specification
Use and ask for licensed engine oils with the dexos1® approved certification
mark. Engine oils meeting the requirements for the vehicle should ...
Inflatable Restraint Sensing and Diagnostic Module Programming and Setup
Special Tools
EL-49642 SPS Programming Support Tool
For equivalent regional tools, refer to Special Tools.
Note:
DO NOT program a control module unless directed to by a service procedure
or a service bulletin. If the ECU is not properly configured with the correct
calibration ...
Definitions and Abbreviations
Throttle Positions
Engine Braking
A condition where the engine is used to slow the vehicle by manually
downshifting during a zero throttle coastdown.
Full Throttle Downshift
A quick apply of the accelerator pedal to its full travel, forcing a
downshift.
...