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:
Satellite Radio
Vehicles with an XM™ Satellite Radio tuner and a valid XM Satellite Radio
subscription can receive XM programming. ...
When to Check Lubricant
It is not necessary to regularly check rear axle fluid unless there is a leak
suspected or an unusual noise is heard. A fluid loss could indicate a problem. Have
it inspected and repaired.
All ax ...
Delayed Locking
With this feature, you can delay the
actual locking of the doors.
When the power door lock switch is
pressed when the key is not in the
ignition and the driver door is
opened, a chime will so ...