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:
Navigation System
If the vehicle has a navigation system, there is a separate navigation
system manual that includes information on the radio, audio players, and
navigation system.
The navigation system provides d ...
Using the System
When the driver shifts the vehicle
into R (Reverse), the video image
automatically appears on the
navigation screen, or on the inside
rearview mirror. Once the driver
shifts out of R (Revers ...
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 ...