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:
Winter Tires
Consider installing winter tires on
the vehicle if frequent driving on
snow or ice covered roads is
expected. All season tires provide
good overall performance on most
surfaces, but they may ...
Driving for Better Fuel Economy
Driving habits can affect fuel mileage. Here are some driving tips to get the best fuel economy possible.
► Avoid fast starts and accelerate smoothly.
► Brake gradually and avoid abrupt ...
Satellite Radio Antenna
For vehicles with XM satellite radio
service, the antenna is located on
the roof of the vehicle. Keep the
antenna clear of obstructions for
clear radio reception. ...