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:
Storing a Station as a Favorite
Up to 36 preset stations can be stored. Each page can store six preset stations.
The presets within a page can be from different radio bands.
To scroll through the pages, press the FAV 1-2-3 (favor ...
Sunroof
If your vehicle has a power
sunroof, the switches are
located on the headliner.
To express-open the sunroof press the rear of the driver’s
side switch to the second detent position, and rel ...
Setting the Time (Without Date
Display)
1. Press the CONFIG button and
select Time Settings,
or press .
2. Select Set Time.
3. Turn the Menu knob to adjust
the highlighted value.
4. Press SELECT to select the next
value.
5. To s ...