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 Dimming Rearview Mirror
The vehicle may have an automatic dimming inside rearview mirror.
Automatic dimming reduces the glare from the headlamps of the vehicle behind
you. The dimming feature and the indicator light come ...
Emergency
With Automatic Crash Response, the built-in system can automatically connect
to help in a crash even if you cannot ask for it.
Push to connect to an Emergency Advisor. GPS technology is used to id ...
Driving on Snow or Ice
Drive carefully when there is snow or ice between the tires and the road,
creating less traction or grip. Wet ice can occur at about 0°C (32°F) when
freezing rain begins to fall, resulting in even l ...