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:
XM™ Satellite Radio Service
XM satellite radio service gives
digital radio reception from coast to
coast in the 48 contiguous United
States, and in Canada. Just as with
FM, tall buildings or hills can
interfere with sa ...
Dome Lamps
Dome Lamps
The interior lamps control located in
the overhead console controls both
the front and rear interior lamps.
To operate:
(Off): Turns the lamps off.
(Door): Turns the lamps on
...
Disc Music Menu
Press the SELECT knob to access
the Disc music menu.
Turn the SELECT knob to scroll,
then press it to select any of the
following category buttons on the
MP3 music menu to display the
corre ...