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:
Additional Program Information
All program options, such as shuttle service, may not be available at every dealer.
Please contact your dealer for specific information about availability. All Courtesy
Transportation arrangements ...
SBZA Error Messages
The following messages may appear in the DIC:
SIDE BLIND ZONE ALERT SYSTEM OFF: This message indicates that the driver has
turned the system off.
SIDE BLIND ZONE SYSTEM UNAVAILABLE: This message i ...
Leaving the Vehicle With
the Engine Running
(Automatic Transmission)
WARNING!
It can be dangerous to leave the
vehicle with the engine running.
The vehicle could move suddenly
if the shift lever is not fully in
P (Park) with the parking brake
firmly set. And, ...