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:
Muting a Call
During a call, all sounds from inside the vehicle can be muted so that the
person on the other end of the call cannot hear them.
To mute a call, press , and then say “Mute Call.” To cancel
mute, ...
Driver Side
The removal of the underhood electrical center is required for the
replacement of one of these bulbs:
1. Open the hood. See Hood.
WARNING
Liquids from environment or spillage and/or tools pla ...
Exterior
Styling of the DTS is "more architectural and linear," said Gary Cowger,
former president of General Motors North America, during its initial appearance.
The new model's styling evokes C ...