Unable to Connect to OnStar Message
If there is limited cellular coverage or the cellular network has reached maximum capacity, this message may come on. Push 
to try the call again or try again after driving a few miles into another cellular area.
See also:
Automatic Headlamp System
When it is dark enough outside, the automatic headlamp system turns on the headlamps at the normal brightness, along with the taillamps, sidemarker, parking lamps, and the instrument panel lights. The ...
Lane Departure Warning (LDW)
For vehicles with LDW, it is intended to help avoid unintentional lane departures.
It may provide a warning if the vehicle is crossing a lane without using a turn
signal. LDW uses a camera sensor ...
Finding a Station
To select the band, see “Audio Source” earlier in this section.
Turn the MENU/SEL knob to find a radio station. To select a preset station, touch
the FAV button and choose a preset station.
Se ...