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:
Interior
Five occupants fit inside the Escalade EXT's cab, which includes a
60/40-split rear bench seat. The midgate extends the bed from 5 feet 3 inches
long to 8 feet 1 inch, and it folds into the interi ...
Anti-theft Alarm System Message
SERVICE THEFT DETERRENT SYSTEM
This message displays when there is a problem with the theft-deterrent system.
The vehicle may or may not restart so you may want to take the vehicle to your dealer
...
Bulb Replacement
For the proper type of replacement
bulbs, see Replacement Bulbs.
For any bulb–changing procedure
not listed in this section, contact
your dealer. ...