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:
Setting Preset Stations
Up to 30 stations (six FM1, six FM2, and six AM,
six XM1 and six XM2 (if equipped)), can be
programmed on the six numbered pushbuttons, by
performing the following steps:
1. Turn the radio on.
...
Cleaning the RSE Seatback
Console
Use only a clean cloth dampened
with clean water to clean the RSE
seatback console surface. ...
Maintenance Records
After the scheduled services are performed, record the date, odometer
reading, who performed the service, and the
type of services performed in the boxes provided. Retain all maintenance
receipt ...