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:
Playing an MP3/WMA Disc
CD/DVD players with the MP3
feature are capable of playing an
MP3/WMA on DVD+/−R, CD−R,
or CD−RW discs. For more
information, see MP3. ...
Vehicle Messages
Messages displayed on the DIC indicate the status of the vehicle or some action
may be needed to correct a condition. Multiple messages may appear one after another.
The messages that do not requir ...
Navigation System
If the vehicle has a navigation system, use of the system may result in the
storage of destinations, addresses, telephone numbers, and other trip
information.
Refer to the navigation manual for i ...