What to Use
To determine what kind of fluid to use, see Recommended Fluids and Lubricants. Always use the proper fluid.
See also:
Check Gages Warning Light
The check gages light
will come on briefly
when you are starting
the engine.
If the light comes on and stays on while you are
driving, check your coolant temperature and
engine oil pressure ...
Navigation
This display is used for the OnStar
or Navigation System Turn-by-Turn
guidance. See OnStar Overview or the navigation manual,
if the vehicle has navigation, for
more information. ...
Storing and Deleting Phone Numbers
The system can store up to 30 phone numbers as name tags in the Hands-Free Directory
that is shared between the Bluetooth and OnStar systems.
The following commands are used to delete and store pho ...