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:
Selecting the XM Band
Press the RADIO/BAND button to choose between the AM, FM and XM bands. The
last channel played in that band begins to play when that band is selected. ...
Malfunction Indicator Lamp
A computer system called OBD II (On-Board Diagnostics-Second Generation)
monitors the operation of the vehicle to ensure emissions are at acceptable
levels, to produce a cleaner environment. This li ...
Ignition Positions
(Keyless Access)
The ignition control knob can be
turned to four different positions.
To shift out of P (Park), the
ignition must be in ON/RUN or
ACC/ACCESSORY and the regular
brake pedal must be applied.
...