Diagnostics
OnStar Vehicle Diagnostics will
perform a vehicle check every
month. It will check the engine,
transmission, antilock brakes, and
major vehicle systems. It also
checks the tire pressures, if the
vehicle is equipped with the Tire
Pressure Monitoring System. If a
diagnostics check is needed
between e-mails, push 
, and
an Advisor can run a check.
See also:
Initial Drive Information
This section provides a brief
overview about some of the
important features that may or may
not be on your specific vehicle.
For more detailed information, refer
to each of the features which ...
StabiliTrak® OFF Light
This light comes on briefly while starting the engine.
If it does not, have the vehicle serviced by your dealer. If the system is working
normally, the indicator light then goes off.
Press and r ...
Filling the Tank
WARNING
Fuel vapor burns violently and a fuel fire can cause bad injuries. To help avoid
injuries to you and others, read and follow all the instructions on the fuel pump
island. Turn off th ...