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:
Side Blind Zone
Alert (SBZA)
The vehicle may have a Side Blind
Zone Alert (SBZA) system. Read
this entire section before using the
system.
WARNING!
SBZA does not detect vehicles
rapidly approaching outside of the
side ...
Selecting an XM Channel
XM channels can be selected by using SEEK, SEEK, the TUNE
knob, or the menu system.
Selecting a Channel Using SEEK or SEEK (Radio with CD)
- Press and release SEEK or SEEK to go to the
previou ...
Selective Ride Control
The vehicle may have a ride control system called Selective Ride Control.
The setting can be changed at any time. Based on road conditions, steering
wheel angle, and the vehicle speed, the system au ...